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When something is just so awesome, amazing, or delicious that there is no other word to describe it..
Kelsey: *Takes a bite of a sandwich*
Jenn: Damn, is that the slamdawg or what?
Kelsey: Ugh, you know it, girl.

OR

"Holy shit.. that tattoo is the slamdawg!"
by texaschief August 16, 2008
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