Top definition
The surname given to a fat piece of shit.

Yea, you were expecting more weren't you?
Friend of Trabelsi: Hey man what's your surname again? I'm doing a project for surnames in school and I thought your surname would be most suitable.
Trabelsi *Loads of food down his throat* "Twabelwlsi"

Friend of Trabelsi: You fat little cunt.
by DarkXPShadow November 14, 2017
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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