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A terrible odor in a certain area.
God! It smells like gerth in here!!!
by Crystal Cross March 31, 2009
penis, cock, dick, man meat, love lenth
shit i need to get the gerth out
by jonny cupcakes April 30, 2005
an annoyance, a true nuisance, pain in the ass

other exceptable variations of the word include : germer, germit, gerbermelon
What a gerth having to go to the DMV is.
Ugh, this is a real germer.
Its such a germit that my ride is late.
by greg! August 19, 2005