
the pleasant, clearing, "orgasm-like" feeling your head and sinuses experience after a hearty sneeze.
by JenCheer January 30, 2009

(n) a subtle pleasure expressed when the brain is exposed to stimulating discussions. Such non-sexual pleasure, bonds the people taking part in it. This activity often occurs between Bibi and Chouchou.
by lalakis_stephanos May 28, 2019

by Casandraelf June 8, 2009

This is an orgasm of the brain, when you want to "bust a nut" but not really, being overly happy when a straight friend helps you out.
Will helped me figure out that I didn't need to pay an HVAC guy 100 bucks for a tripped fuse when I thought my AC unit shit the bed, I had a Braingasm right there on the spot!
by Tiger6513 September 1, 2010
