short yellow bus 

The bus the "special" kids take to school. Good to use as a comeback

"Shut up! you ride on the short yellow bus"

"how did you get to school today? Did you ride the short yellow bus because you look like you belong there"

short yellow bus by Paulina V. November 6, 2006

Buffalo Bus Transfer 

To shit into somebody else's anus.

The girl that is known to have a gaping butthole would receive a buffalo bus transfer easily.

Buffalo Bus Transfer by brad hardos February 24, 2009

school bus teeth 

when a persons teeth are big and yellow like a school bus.

"sally did you see joes teeth, he has school bus teeth!"

school bus teeth by asiram517 May 3, 2009

Colorado bus pass

Medical marijuana registration card from Colorado, that is extremely easy to obtain, and costs only a bit more than a monthly bus pass. "Bus pass" for short.

Dude, I just got a Colorado bus pass, let's get some edibles.

Colorado bus pass by that other lady September 13, 2011

VW bus 

a multi utilitarian platform for all types of work and play. 'simple, affordable, dependable' as the ad said.

"I drive a VW bus"

VW bus by David Mayes July 2, 2004

riding the porcelain bus

puking into the toilet.

Damn I drank a whole case last night and now I'm riding the porcelain bus.

riding the porcelain bus by Nick D February 13, 2003

Free Bus 

A phrase to describe the bendy buses in London which require good nature from already resentful passengers to pay for their bus ride by touching their Oyster Card on the unmanned touch pads.

A friend: Shall we get the 176?
You: No, lets wait for the free bus, i've got no money on my Oyster Card

Free Bus by csgp85 February 10, 2007