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3.
an expression of happiness or excitement.
(kills someone)
LOSAH!
or
(finds out they won money)
LOSAH!
by Brenda mj July 03, 2003
 
1.
What that one street thug in Grand Theft Auto III sez when fighting somebody on the streets. He wears blue camo cargo shorts, brown work boots, a black Tshirt, with a long-sleeved white shirt underneath, and a green skullcap. He talks like a frickin troll.
LOSAH! *Punch Punch BOOF*
by I Hate You August 12, 2004
 
2.
The state of the Republican Party and all their supporters after the 2006 mid term elections.
As a result of the 2006 mid-term elections, Dennis Hastert, Republican House, George Bush, Dick Cheney and all their supporters (including Bill O'Reilly and all Fox Anchors) are instantly bestowed the well-earned title of "losah".

"You're a republican? What a losah!"
by Byll O'Rylley November 07, 2006