Top Definition
A phase of the moon in which it is more than half full, but not entirely full.
The waxing of the gibbous moon bathed the courtyard in a kind of cold starlight.
by Excel November 14, 2003
The state of a penis between a semi and a full blown erection.
I was so drunk, she had to make do with my gibbous
by rich wazza March 09, 2007
to be of scandal; when you're showing a lot but not too much; being provocative; classy yet trashy
Look at that gibbous bitch over there.

This lace makes me feel a little gibbous...
by cristozombie March 02, 2015
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.