The verb form of "Knockin' the bottom out of it". (Refering to rough sex with a woman)
-Also see, beat her guts up.
-Also see, beat her guts up.
"Sorry I didn't pick up my phone last night man, you cought me right in the middle of bottom knockin'.
by ray<3 August 30, 2008
Refers to particularly deep or rough sex. Implies that the man will literally knock vaginal walls down.
by ray<3 August 30, 2008