look up any word, like plopping:
 
1.
All the way, entirely and completely.
Your bacon got burned "slam up."
by JordanC July 18, 2006
 
2.
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