Top Definition
An act, usually public, in which a man hangs his scrotum out of the fly of his pants, pulls the skin tight around one testicle with his hand, and squeezes rhythmically, resulting in a veiny, throbbing effect reminiscent of a 1950s science-fiction monster.

Usually considered vulgar.
They're still talking about the time he walked into Denny's and flashed the hungry brain.
by Uncle Leon November 21, 2006
6 Words related to hungry brain

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.