Green’s Dictionary of Slang

punk out v.

[punk n.1 ]

1. (US, also punk) to display cowardice.

[US]E. Pound in Witemeyer Pound/Williams Correspondence (1996) 37: Then you punk out, cursing me for not being in two places at once, and for ‘seeing no alternative to my own groove’.
[US]‘Hal Ellson’ Duke 31: If [...] you’re going to punk out it’s going to be bad stuff for you.
[US]W. Brown Teen-Age Mafia 80: If he punked now he’d be lower than an ant’s ankles.
[US]E. De Roo Big Rumble 108: You gonna punk out on me again. I thought ya got over punkin’ out the last time! [...] I want no vice-president talkin’ cheesy!
[US](con. 1965) E. Grogan Ringolevio 227: He just wanted to know whether the private [...] was trying to punk out of that war, or was truly bat-shit.
[US]Courtwright & Des Jarlais Addicts Who Survived 253: He was a vicious dog [...] If he looked at me hard, I punked out.
[US]N. McCall Makes Me Wanna Holler (1995) 71: He suggested that we retaliate against some of our guys for punking out.
[US]G. Tate Midnight Lightning 29: The jury remains out as to whether Hendrix punked out.

2. (US prison) to submit to homosexual anal intercourse.

[US]P. Thomas Down These Mean Streets (1970) 267: That motherjumper wants to punk me and he said if I didn’t punk out, him and his boys would jack me up.
[US]Other Side of the Wall: Prisoner’s Dict. July [Internet] Punking Out: A prisoner who perform intercourse by force or free will. Also called riding. (VA).

3. see punk v. (6)

In derivatives

punked out (adj.)

1. (US campus) furious.

[US]Eble Campus Sl. Mar. 8: punked out – very angry: I can’t believe she gave me an F. I’m so punked out.

2. describing someone who has been forced to submit to anal penetration.

D. Benioff 25th Hour (2002) 193: I’ll be a punked-out ex-convict with government-issue dentures.

3. in fig. use of sense 2, made to look like a coward; to disrespect.

[US]G. Pelecanos Shame the Devil 244: If anything started, he knew he’d get punked out.
[US]A. Steinberg Running the Books 108: This guy punked me out, he’s going back up to the unit.Or maybe the hole .