Top Definition
1. Phrase used to piss off a flamboyant male named matt.
2. A greeting meaning either hello, or goodbye. Much like aloha.
3. Backwords for matt is gay.
Matt, "Oh my gawd I love penis"
Rich, "Shut the **** up or I will name my hamerdin yagsittam"

Chuck, "See ya later jim, Yagsittam"
Jim, "LOL... yagsittam"

by Dale N. June 20, 2008
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