Top definition
Someone who is either an idiot, or spends too much time taking drugs. Someone who shows signs of minimal intelligence and/or common sense.

This phrase can be used in an offensive or a friendly context.
"Look at that prick, he's fuckin tuned to the moon, so he is"

"Ah've goat my giro, ah'm gonna be well tuned tae the moon the night so ah am"
by Scott T The Silver fox January 23, 2004
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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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