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2.
A big goofball (commonly referred to as a goober) that is in charge of a peanut gallery.
Dude, my boss acted like at Theaker in that last meeting.
by Peter Waite January 09, 2004
 
1.
theaker (noun): one who theaks
That Tom guy would be OK if he weren't such a Theaker
by anonymous January 12, 2004
 
3.
theak (verb): to act as a goof; to demonstrate unworthiness as a human being
Dude, if you don't stop theaking, we're going to have to ask you to sit in a corner
by anonymous January 12, 2004