Underground Hammer

The act of have a finger shoved up a males ass while A) getting a blow job or B)Jerking off
She was blowin' the hell out of me and finished me off while giving me an underground hammer
by Snaggeltooth 27 November 23, 2010
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Pump with an underground hammer

getting a handjob while the chick jams her thumb in and out of your ass.
So im getting a handjob from this ten dollar whore and the next thing you know im getting a pump with an underground hammer .
by Dick Fitzwell Esq September 01, 2009
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