Green’s Dictionary of Slang

1. (N.Z. prison) a life sentence.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 28/2: breakfast, lunch and tea n. 1 a life sentence.

2. see bed and breakfast n. (2)

(US) the gullet.

1858

G.W. Harris High Times 152: Hit started yup agin an felt like ontu a terbacker wum a crawlin up my breakfus pipe.

(orig. US black) a night spent in jail.

2000

(con. 1940s–60s) Décharné Straight from the Fridge Dad 20: Breakfast uptown A night in jail.

1. mutual oral-genital stimulation.

c.1966		Barred I:5 14: A couple of outlaws wearing army field jackets painted neatly on the back ‘69’ above and below the number, ‘breakfast of champions’.
2001		searchextreme 🌐 Chica Boom #09: Special Que 2001 • Kick Ass Pictures (Hustler) • 93 minutes Spongy Brown Nipples swelling up from the moisture of a probing tongue. Whispered curses between clenched teeth as 10 inch force their way past puffy lips. Smooth round heels bouncing against the ears of the triumphant while[sic] man. Special Que — it’s the Latina breakfast of champions!
2002		www.afrodivas.com 🌐 Gang bangs are making a fast recovery with every hole filled by a cock blow jobs and cunnilingus becoming the breakfast of champions.

2. beer.

1986

J. Ellroy Silent Terror 100: He guzzled beer and belched, then laughed. ‘Coors, breakfast of champions’.

3. fellatio performed first thing in the morning.

1992		‘Jennifer Ames’ Wet and Ready n.p.: I pushed the twin towers of prick-flesh close togther and lashed my moist tongue over both of those wonderful tubes [...] The breakfast of champions.
2003		‘Dana Johnson’ Break Any Woman Down 46-7: Frankie teased me about hearing that I liked the breakfast of champions. I told Bobby that it was nobody’s business what time of day I gave him blow jobs.
2013		Sensualkink ‘Hairy Peeter and the Philosopher’s Bone’ on asstr.org 24 Feb. 🌐 Hogrod’s huge penis began to throb and Hairy knew he was about to get a real breakfast of champions.
2020		‘Dumb Mutt’ on nifty.org 30 Sept. 🌐 I saw my sister pop her finger into my jizz and then pop it into her mouth [...] —‘Breakfast of champions, sis?’ I said.

4. (US drugs) crack cocaine.

1997

J. Crotty How to Talk American 90: crack: extremely addictive smokable cocaine. Aka ‘rock.’ ‘ice cube.’ ‘kryptonite.’ ‘breakfast of champions.’.

5. amphetamine.

1997		E. Little Another Day in Paradise 72: Crank and chicken embryos, breakfast of champions.
2021		J. Ellroy Widespread Panic 29: I chased bennies with Old Crow. Aaaaaah, breakfast of champions!!!!

6. the labia or vulva in the context of cunnilingus.

2001		‘Science Affair’ on asstr.org 1 Mar. 🌐 She was already wet and let me tell you, that it was the breakfast of champions.
2003		L. Block Small Town 437: Pussy was what Wheaties claimed to be, the true breakfast of champions.
2017		‘Woods World’ on asstr.org 30 Apr. 🌐 ‘You promised me a lesson in pussy eating‘ [...] Lola had to laugh.‘Ah yes, pussy, breakfast of champions!’.

(US, Western) to discover a murdered body when one wakes in the morning; occas. as ...a woman...

1863		in Contributions to Historical Society of Montana 1224: They still have a ‘man for breakfast’ occasionally.’ [...] A western phrase, meaning some one was killed in a row during the night .
1865		‘Artemus Ward’ Among the Mormons (1866) 148: A few years since they used to have a dead man for breakfast every morning.
1870		E.P. Hingston Genial Showman 125: The Carson paper is headed ‘A man for breakfast.’ I read that late last night a man was shot dead in one of the drinking saloons of the city.
1880		Harper’s Mag. (July) 195: They spoke in cheerful local parlance at Las Vegas of having ‘had a man for breakfast’ (euphemism for a murder during the previous night).
1890		N.P. Langford Vigilante Days 377: ‘We’ve got a woman for breakfast this time, and a Chinawoman at that,’ said X. Beidler.... (The expression ‘a man for breakfast,’ signifies, in mining parlance, that a man has been murdered during the night) .
1904		Illus. Hist. Stevens [...] State of Wash. II859/1: It was a ‘man for breakfast’ at least twice a week, and I have seen half a dozen men killed in a week's time.
1911		(con. 1850s) J. Lynch Senator of the Fifties 107: Churches and school-houses appeared. The red shirt and top boots disappeared; people apparelled themselves as in other parts of the world, and the custom of ‘a man for breakfast’ was abolished.

(also eat someone for breakfast, swallow…) to be able to achieve a task, defeat a rival etc.

1900		J. Conrad Lord Jim 25: His three daughters were awfully nice, though they resembled him amazingly, and on the mornings he woke up with a gloomy view of their matrimonial prospects the office would read it in his eye and tremble, because, they said, he was sure to have somebody for breakfast.
1953		N.Y. Herald Trib. 15 Mar. IV 1/2: Suppose your point of view has just triumphed over that of a rival. The proper way to say it: ‘We ate him for breakfast’.
1984		J. Ellroy Blood on the Moon 76: ‘I couldn't do a dime up there [i.e. 10 years in a prison]. They got niggers up there who’d eat me for breakfast’.
1988		McGill Dict. of Kiwi Sl. 21/1: breakfast in phr. have for breakfast find some person or thing easy to overcome or achieve; eg ‘Just let him try anything. I’ll have him for breakfast.’.
1993		A. Rodriguez Spidertown (1994) 92: They scared a’ tha’ fucka. They know he’ll eat ’um f’ breakfst if they fuck up.
2001		K. Waterhouse Soho 102: Swallow you for breakfast and spit the pips out.
2018		W. Kramer Hard Stuff 229: [T]hese bands [...] had the look or moves of the MC5, but the MC5 could have eaten them for breakfast.

crazy, eccentric, weird.

1995

J. Cameron Vinnie Got Blown Away 62: I wanted some geezer totally out to breakfast and got a lot of friends. Some geezer slice you he never liked the colour of your shoes.