A person whom from a distance appears attractive but upon further inspection turns out to be ugly.
The term is derived from the motion in which you would
drive over a
speed bump. You slow down to check out said person and upon discovering how unattractive they really are you resume speed and continue on course.
The opposite of a
Stopsign
Two young men walking together -
Joe: Yo, that girl is
phat to death.
Rick: Yeah, lemme
catch up to her before
I try to holla.
"Rick and Joe catch up and continue to walk past"
Joe: Speedbump?
Rick: Totally.