Green’s Dictionary of Slang

stomp v.

also stomp in, stomp on, stomp out
[SE stamp/SAmE stomp]

1. (US) to beat up, to defeat.

[US] ‘Wild Buckaroo’ in G. Logsdon Whorehouse Bells Were Ringing (1995) 107: I’ve been bustin’ broncos since I was a squirt, / When I ain’t bronc stompin’ I’m braidin’ a quirt.
[US]N.Y. Daily News 2 Oct. n.p.: A revived technique in teen-age gang fighting – ‘stomping’ – was disclosed by police after they picked up eight youths [...] They found four typed copies of the following message: ‘[…] You have been stomped by experts. Next time, wise up. The Conchise.’.
[US]J. Blake Ex Post Facto in Joint (1972) 45: If you wasn’t a broad I’d stomp yuh!
[US]M. Braly Felony Tank (1962) 49: Until they stomp your teeth out. Then you’ll have some trouble.
[US](con. 1950s) D. Goines Whoreson 67: I stomped the other on the face till her nose broke.
[US]P. Hamill Dirty Laundry 145: I’ll stomp you out in a minute, Briscoe. I don’t really give a shit how you die.
[US]E. Folb Runnin’ Down Some Lines 256: stomp (on) [...] 2. Physically assault. 3. Severely beat.
[Can]M. Atwood Cat’s Eye (1989) 349: If you were a man you’d get stomped for that.
[US]E. Bunker Mr Blue 36: I’ll stomp your brains out.
[NZ]A. Duff Jake’s Long Shadow 114: Me and my gang brothers [...] Stomped heads in, maimed and killed.

2. (US teen) to dance.

[US]Hepster’s Dict. 10: Stomp – Dance.

3. (US black) to use language that is likely to cause a fight.

[US]E. Folb Runnin’ Down Some Lines 95: So verbal confrontation runs the gamut from the more or less playful capping sessions to [...] hard-core confrontation where you scream cold, hard, foul or stomp on someone.

In compounds

stomp-ass (adj.) [-ass sfx]

(US) violent, aggressive.

Wildroot ‘White Knights in Satin’ 5 May on [Internet] If I don’t get my money, I’m gona get me a stomp ass union to bust some heads.

In phrases

stomp it (v.) [one ‘stomps’ on the accelerator]

to hurry, to go fast, esp. in a vehicle.

[US]E. Anderson Thieves Like Us (1999) 6: Stomp it, Chicamaw.