a prank when you get in someones bed while they are (usually) sleeping and and jump up and down and basically hump them
by M.att August 14, 2006
When you and your friends hide in a tree and jump down when people walk beneath you, scaring the crap out of them
Dude, remember that one time we were playing night monkey and I got chased?
Oh dude that was so funny!
Oh dude that was so funny!
by Nicky J! April 24, 2009
a white kid that knows his shit about cars, lazy, and likes to do shit at night.. its a combination of a mississippi wind chime + midnight at noon + porch monkey = mississippi night monkey...
by azzy brown February 14, 2007
a night of rampant evolution type activities.
some include:
*pin the condom on the lesbian teacher
*find fleas in eachother's fur
*pick who moves on in natural selection
*watermelon dancing contest
*bobbing for pickles
some include:
*pin the condom on the lesbian teacher
*find fleas in eachother's fur
*pick who moves on in natural selection
*watermelon dancing contest
*bobbing for pickles
by turban man February 27, 2005