smack it

To masturbate. A synonym of spank it. "It" refers to the penis.

Brandon: "Dude, want to head over to Pat O'Briens and catch the Sox game?"
Mac: "Uh...maybe later. Your sister just put up a new Facebook album full of spring break bikini pics, and she's looking pretty damn good. I'm just gonna hang out here and smack it to that a few times."
Brandon: "What??? Oh no you didn't! The only smacking that's going to happen is me smacking you up!"

by Nicholas D March 09, 2009

smack it

To get things done. Giving your 100% on something. To go all out.

Let's smack it. Dude, let's smack that time-lapse! Just smack it!

by wolfie299 May 28, 2018

smack it

to get something done, to do it quickly and with perseverance.

Ken: Do you wanna help me write this essay with me?
Dan: Yeah, lets smack it.

by kart24 May 28, 2018

smack it

Invented by Tom Mace on Casey Neistat's Youtube Channel, to "smack it" is to put the work in, commit to it, and to not go back.

Casey: Dan, I really don't feel like doing that timelapse today
(Dan wakes up)
Dan: Huh???
Casey: I said, "I don't feel like doing that timelapse today"
Dan: Aw c'mon dude, let's smack it

by Tetrys May 28, 2018

Smack Smack

1) The sound a thumper makes when it busts off

2) A common adlib used by certain rappers from North Oakland (Lil Rue, HD, etc..)

"Every day it's like I got some new niggas to kill (SMACK SMACK)" - HD on Minister Of Defense / Extortion Muzik 2

by yay area representative April 18, 2011

Smack Smacks

The more updates name for "sandles" or " flip-flop".
Derrived from the sound the "shoe" makes when hitting your foot.

smack smacks

by Cher-in-Surrey November 03, 2010

smack

Heroin. Most frequently used in the 60s.

When the smack begins to flow, I really don't care anymore...

by Lurhstaap December 28, 2003