Top definition
To slap another friend on the buttock in order to motivate that person to get snacks.
Guy 1: Aye man, get us some snacks.
Guy 2: Man, I don't feel like it.
Guy 1: Alright, look. I'll go get them but since I really don't want to, I need a Champ Slap to get motivated.
by Seto Osiris November 07, 2009
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