Green’s Dictionary of Slang

never adv.

SE in slang uses

In compounds

never-was (n.) (also never-waser, never-wuzzer) [‘he never was any good’; as opposed to a has-been]

(US) one who never rose above mediocrity.

[Aus]Sportsman 1 Apr. n.p.: He is one of the ‘has beens’ or else one of the never wasers as Dan Rice, the circus man, always called ambitious counterfeits [F&H].
[US]S. Lewis Babbitt (1974) 83: There’s a lot of smart college professors [...] in this burg that say I’m a roughneck and a never-wuzzer.
[US]J.T. Farrell ‘Twenty-five Bucks’ in Short Stories (1937) 183: Fifteen years is a hell of a long time for a broken-down, never-was of a palooka named Kid Tucker.
[US]E. De Roo Big Rumble 49: I’m a has been who never was.
[US]E. Folb Runnin’ Down Some Lines 40: The lame — whether a ‘wanna be’ or ‘never was’ — is out of step with his or her peers.
[Aus]Bug (Aus.) 24 Feb. [Internet] Unfortunately, they have one slight problem. Their team is full of has-beens, beens and never wases.
[US](con. 1954) ‘Jack Tunney’ Tomato Can Comeback [ebook] The kid is a washed up never-was who everybody took too serious for a while.

In phrases

never been kissed (n.) (also never had it) [the supposed sexual innocence of a 17-year-old girl]

(bingo) the number 17.

[US]J. Burkardt ‘The Bingo Code’ Wordplay [Internet] 17: never been kissed.
never hachi (also never hotchie) [play on SE never + mispron.]

(US) (it will) never happen.

[UK]R. Holles Now thrive the Armourers 131: The American was saying, ‘Ten bucks, you lousy little Nip ... it never hatchi!’.
A.M.Z. Norman ‘Bamboo Eng.’ in AS XXX:1 47: Suck a hachi has united with the GI nevah hoppen to beget nevah hachi meaning precisely...‘never happen’.
(con. 1950) J. Algeo ‘Korean Bamboo Eng.’ AS XXXV:2 121: Nevah hachi, or more emphaticaly, nevah huckin’ hachi, ‘impossible’ or ‘nevah-hoppen’.
[US](con. 1952) E. McDowell Our Honor 198: ‘Is that a hint?’...‘Nebba hotchie, Joe,’ Krupke replied in the pidgin English common to veterans of Korea and Japan [HDAS].
never happen

used to dismiss any idea that the speaker cannot support or wishes to deny.

[US]N.Y. Times Mag. 23 July 42: [...] ‘never happen.’ [...] It means, roughly, you must be crazy [HDAS].
[US]G.V. Higgins Cogan’s Trade (1975) 75: ‘Some day they’re gonna say you can’t sell the fuckin’ things any more [...]’ ‘Never happen,’ Steve said.
[US]E. Torres Carlito’s Way 10: ‘Anybody here seen Jakie around?’ No, not us, never happen.
[US](con. 1969) M. Herr Dispatches 26: He goes to me, ‘Take a little run up to the ridge and report to me,’ and I goes like, ‘Never happen, Sir.’.