Top Definition
To quit and rejoin a group, or club, repeatedly, all the while being an ass to everyone else.
"That guy quit again last week and now he keeps begging me to let him back in. That Therum!"
"The guy keeps pulling a Therum, I don't even know if he is still a member or not."
by VenomSpawn July 12, 2006

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The Urban Dictionary Mug

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