Top Definition
All the way, entirely and completely.
Your bacon got burned "slam up."
by JordanC July 18, 2006
1 more definition
Food that is ridiculously good. Whether its because youre on a diet and cheated, super stoned, or just indulging in something delicious.
"Dude that chicken parmesean was slam up!"
by trizzzzzz May 02, 2010

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