A word used as a filler in a sentence when, do to lack of a second gradeeducation, sobriety, or a loss for words in a conversation or general statement.
I see your mouth moving, but all I hear is a bunch of geeb. You should get that checked out.
One of your friends in Geometry class.
"Geometry Buddy" shortened to "GB" later shortened to "geeb".
Could also refer to other classes starting with G, such as "Gym Buddy" or "Geography Buddy".
