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1.
Hitting somebody or something with all your effort and might.

using either your hand or full body to intensify the impact.

you can also get a running start, that is the true jam smack.
"Cory was standing by the pond so i ran up behind him and jam smacked his ass into the water!"

"if you don't stop talking about football i'm going to jam smack you!"
by dbrown907 January 08, 2010

Words related to jam smack

hit jam push run slap smack