What is U.b?
1.
when you get a bonner when you dont need one.
Unnecessary Bonner.
i had a U.B this morning when i woke up.
See
2.
When you have an "Uncontrollable Boner" and need a hall pass to leave class early, commonly used as a nickname
Man 1: Hey, Whats your name?
Man 2: People call me U.B.
Man 1: Whys that?
Man 2: I CANT CONTROL MY COCK.
See
3.
this means you got an uncontrolable boner!
damn man ive got a u.b
See