1 definition by Jeff Ferdinand the Third

nerd out

To avoid a fun or risky activity in order to get some extra studying done.

dude a: "bro, we're gonna base-jump off the Brooklyn bridge and then shark-dive with white killers! are you in??? "

dude b: "sorry brother, I think i'm gonna NERD OUT today. I have a midterm exam tomorrow".

by Jeff Ferdinand the Third October 1, 2010