Green’s Dictionary of Slang

bake v.1

1. (US drugs) to prepare an injection of a narcotic by heating the powder and water mixture.

[US]H. Ellison ‘Gentleman Junkie’ in Gentleman Junkie 26: He was about to bake down a shot; he was ready for a fix.

2. (US prison) to execute in the electric chair [blackly humorous use of SE].

implied in baker n.2
[US]R. Klein Jailhouse Jargon and Street Sl. [unpub. ms.].

3. (US drugs) to experience (intensely) the effects of a drug.

[US]M. Lacher On the Bro’d 277: [We] baked that shit. We were high as fuck.

4. see homebake v.

SE in slang uses

In compounds

bakebrain (n.) (also bake, bakehead) [sfx -brain, on model of -head sfx (1); here the image is of hardness]

(US) a fool, an idiot.

[[US]T. Haliburton Season Ticket 18: You are a cussed bad bake into the bargain].
[US]N. Algren Man with the Golden Arm 87: You moldy-lookin’ sandlot, spigotheaded bakebrain.
[US]Monteleone Criminal Sl. (rev. edn) 15: bakehead Insane; crazy.
bake break (n.) [one ‘bakes’ the rock n. (5) in order to smoke it]

(US drugs) a break from work during which one smokes a pipe, e.g. of marijuana or of crack cocaine.

[US]Da Smokehouse Marijuana Gloss. 🌐 bake break [us] – to take a break and go smoke a pipe.

In phrases

bake it (v.) (also bake a Henry (the Third), ...one) [the excreta remain in the ‘oven’ of one’s intestines]

to refrain from visiting the lavatory, however desperate the need to defecate.

[UK]Partridge DSUE (1984) 42/1: late C.19–20.
[UK]A. Burgess Enderby Outside in Complete Enderby (2002) 298: If anybody else wants to go, I’ll have to tell them to let it bake until we get to Marrakesh.
[Aus]R. Aven-Bray Ridgey-Didge Oz Jack Lang 21: Bake a Henry (The Third) Defer a defecation.
[Aus]R.G. Barrett Boys from Binjiwunyawunya 181: Max suggested that if either of them needed a crap, to bake it until they opened the cell door.
[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Bake. 2. To refrain from using the toilet.
[UK]Roger’s Profanisaurus 3 in Viz 98 Oct. 4: baking one v. The act of not going for a shit when you really ought to.
bake off (v.)

(UK drugs) to prepare crack cocaine.

Digga D ‘Mad About Bars’ 🎵 Still bake off where shh got cheffed / Trap pays off, I still get bread.
bake potatoes (v.) [? the ‘warming’ of the testicles in conjunction with the buttocks ]

(US gay) to have anal intercourse.

[US] (ref. to 1930s) B. Rodgers Queens’ Vernacular 87: To insert a cock into a[n] [...] anus [...] bake potatoes (’30s).
[US]R.O. Scott Gay Sl. Dict. 🌐 anal intercourse: [...] Syn: bake potatoes.
bake someone’s bread (v.) [fig. use of SE]

to kill, to ‘do for’.

[UK]Sir Ferumb. 577: For euere my bred had be bake myn lyf dawes had be tynt [OED].
bake up (v.)

(UK Und.) to stay where one is, to wait.

[UK]J.J. Connolly Viva La Madness 62: Roy [...] insisted we bake-up, sit tight, in the arrivals lounge.
[UK]J.J. Connolly Viva La Madness 72: The Regional Crime Squad was tailing him in shifts, baked-up outside his drum.