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A person of limited mental capacity who licks the windows of a short bus.
by Bearmama January 21, 2016
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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(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.
It is offensive and wrong to name a person people who is mentally challenged a 'window licker' or a 'retard'.
by zalzalahbutt November 25, 2006
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a person who wears a helmet on the little bus to school . While looking out the window at whatever proceeds to lick the windows on the bus
look at that windowlicker on the tart cart bus..
by strobe blinker February 06, 2006
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A mentally challenged person riding on "the short bus".

aka: Adams or Negative Waves
The window lickers on the short bus have faces pressed against the window with their tongues hanging out.
by Ann Onimuous December 03, 2003
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Mentally retarded child licking the window of his school bus while watching the outside world.
What are you, a window licker?
He is so stupid. He must be a window licker
by mrkungfu0812 July 30, 2010
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