hey that hot chick that steve is dating is actually a man! he talked so much shit about how hot she was...that ought to knock him down a peg!
by Henry Israd October 18, 2007

Getting pregnant or knocked up and then getting an abortion or losing the baby to a miscarriage or other misfortune.
Jenny- Did you hear? Amanda got knocked up and down over spring break
Ben- No way! You have to wait until the third month to get knocked down!
Ben- No way! You have to wait until the third month to get knocked down!
by grooved.out.152660 June 17, 2011

by seandon101 December 16, 2016

Mid 90s urban culture terminology for defeating another person in any sort of competition, whether it be gaming, boxing, killing, etc.
N.W.A. Song "Straight Outta Compton" -
"Me and you can go toe to toe, no maybe
I'm knockin' niggaz out the box daily"
Ex. 2-
Man, I can kill you at Mortal Kombat II.
Oh yeah, I'll knock you out the box, bitch!
"Me and you can go toe to toe, no maybe
I'm knockin' niggaz out the box daily"
Ex. 2-
Man, I can kill you at Mortal Kombat II.
Oh yeah, I'll knock you out the box, bitch!
by gregatron5000 June 29, 2009

When you are fucking a chick doggystyle, donkey punch yourself, knocking yourself out. Going for the double knockout, fall face first into the back of the chicks head knocking her out, while still inside her you both fall to the floor.
by retarded and sexy December 17, 2008

by Nabeel, January 9, 2009
