Window licker

[PussyCat]

A retard who sits in the back of the sunshine bus, licking the window whilst staring at you

[Britney]

(derogatory) ~ sl.: euphemism for a person of mentally challenged status. Etymology: C20 - Derived from the stereotyped behaviour of mentally challenged people, observed to place their open mouths into prolongued contact with the external windows of public or private transport on which they are seated.

[Britney]

A mentally challenged person riding on the short bus.

aka: Adams or Negative Waves

[Dave Paprocki]

Mentally retarded child licking the window of his school bus while watching the outside world.

[Jessica]

it can mean many things:
1)someone who rides the big yellow bus to the happy camp.
2)someone disabled and/or mentally challenged.
3)a spaz

[Ernesto]

A person of limited mental [capacity] who [licks] the windows of a short [bus].

[Justin Bieber]

A child with a disease [in the head]; One who [rides] a short [bus]

[Renato]

A kid who takes [the special] [bus] to school. Its a term for [a slow] kid though its just idiots makin fun of people.