Hanging out. The term derives from someone meeting up with a group of friends and greeting them with the appropriate handshake of that particular sub-group of friends, who then proceed to hang out.
"Homeboy here was s'posed to pick my ass up at the bus station, but was slapping fives with Pookie and Deaner."
by xfactor_7777 January 21, 2007
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when you go and give someone a high five, but you shout 'slap me five' when doing it
i saw Ali so i shouted 'slap me five Ali !'
by Harry Strode May 31, 2008
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Going to bed with palm rested on pillow.

While at the same time you're consequently giving the pillow a high five all night long!
by Johnathan Angelo Rosa Jr. November 25, 2008
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