חפשו מילה כלשהי, כמו fleek:
 
1.
To get an assassination medal in halo 3 by meleeing in the back. Commonly used by tsquared captain of the halo 3 team Str8 Rippin
Tsquared: Give em' the back smack baby!
מאת BoweTheShow 22 ביוני, 2009
 
2.
action verb: To strike another person because they have just pissed you off. One can backsmack by thought, word, or deed.
Steve: "Did she just cut you off?"
John: "Yeah, I 'd like to backsmack her!"
מאת Lexie 1912 19 בספטמבר, 2008
 
3.
To violently slap someone on the back.
"Dude, it hurts so bad!"

"Take that back smack bitch!"

"Did you see Todd totally get fucked up, that was the worst back smack I have ever seen!"
מאת Tango09 31 במרץ, 2010