When you get too fucked up from smoking weed and end up throwing up. Usually occurs when you smoke out of a gb (gravity bong).
Taylor got the sceebies last night after she hit the geeb too much.

Mel was throwing up all night because of the sceebies
by Midgeeeee November 28, 2017
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Someone who smokes a-lot of pot, really just a crazy amount of pot. They have also been known to wear cloths that is three sizes to big and talk like retards.
Guy," Did you see that sceeby stoner.''
Girl,'' Yes I would never have sex with him.''
by cantcatchmehomeskillet August 28, 2013
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