Top definition
A way in which to describe a person whose distinguishing feature is an abnormally large forehead. In order to refer to someone as having 'room for crisps' they must have a forehead reasonably large enough to house an average pack of crisps.
'I wish i hadn't fucked him senseless the other night, when i met him a second time i realised he had room for crisps'
by lemon+11 May 25, 2008
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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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