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When you begin reading a page, and blank out thinking about other things. You finally come to, realizing that you read the whole page without ingesting a single word.
She was reading statistics homework when she suffered an acute case of monkey brain. I suppose thats what happens when you do your homework tipsy on the stairs in front of your building at 2:30 AM.
by the girl on the stairs. September 03, 2009
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May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
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2
Adjective: Used to describe when you cannot make sense of something, or to describe a person most commonly your friend that has said some dumb shit or is dumb.
Omg! Harry is having a monkey brain moment.
via giphy
by nahor macca November 02, 2020
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3
When you pull ur nut-sack out of ur pants/shorts while keeping ur dick in ur pants, thus makeing them look like a monkeys brain
"Hey billy, wanna see some monkey brains?" "sure why not"..........."EEEEWWWWWWW THATS UR BALLS!"
by Rob Echlin July 22, 2004
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4
Grab the scrotum sac and squeeze it from the base tightening the skin around the testicles. The result is a perfectly formed miniature "brain".
Dude, her stone cold heart turned to hot lava once she seen the monkey brain.
by Bret Austin September 10, 2004
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6
the look your nuttsacks make when you squash them between your legs
Hey check out my monkeybrains!
by mooseknuckles November 11, 2002
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