speedbump 

A line of either Ritalin or Adderall that you blow... makes you speedy!

Guy 1: Man, I have so much work to do tonight.

Guy 2: Don't sweat it, buddy. Just do a speedbump, you'll get it done in no time.

speedbump by speed-demon65 February 22, 2010

Speedbump 

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.

Speedbump by J--Mac January 1, 2009

speedbump 

when u have quickie wit a bird

guy:famz i heard u n rasheeda wuz goin all night,son
2nd:nah B,it was just a speedbump

speedbump by Kool-Aid September 11, 2004

speedbump 

Also known as a skidmark but more commonly refered to as a nigger or niglet in the middle of the road.

Oh shit Bill, there's a nigger in the road!
Floor it Earl thats just a speedbump.

speedbump by Julia,spanky,meat December 18, 2008

Speedbump 

A piercing on the top of a cock.

Arty AKA "The Ironman" got a speedbump for the Ladies.

Speedbump by "The Ironman" January 6, 2009

Speedbump 

When your barber sees a hot chick drive by and cuts a zooming line in your hairline

Can also refer to if your hairline is so bad it looks like if your barber hit a speed bump when cutting your hair

Hey his barber really likes speedbumps.

Speedbump by THEFATHEROFYOU April 13, 2017

Speedbump 

Having sex so fast you almost don't notice it, unless it was an explosive orgasm.

We had a speedbump last night. Right in the hallway! So, fast no one noticed us.

Speedbump by XRKelly September 4, 2019