look up any word, like swoll:
 
1.
referring to sex.. to also beat it up.. when the sex is so damn good..It feels like the bottom is gettin knocked out the pussy. preferrably with a huge dick.
giirrrll. he knocked the bottom outta my pussy last night
by HOPESCRX October 15, 2003
 
2.
Used to express that you would or have had sex with a woman.
Man I'd knock the bottom out of that chic.
or
We were fighting then twenty minutes later I'm knocking the bottom out of her.
by Westley E Truck December 28, 2008