Define Smack It Meaning

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 Tanitansy
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 Juliann
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 Eula
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 Dorena
Smack Smacks
The more updates name for "sandles" or " flip-flop".
Derrived from the sound the "shoe" makes when hitting your foot.

By Charline
SMACK It
First invented (allegedly) by Dan Mace. Means let's get things done. A whole episode of 368 by Casey Neistat is titled after this phrase "SMACK IT."

For example, let's just smack it on the plane, meaning let's get it done when on the plane.
By Noella
Smack
Heroin. Most frequently used in the 60s.

When the smack begins to flow, I really don't care anymore...
By Fawn
Smacks Of
Appear to have a quality of something positive or negative

The new iPad smacks of inconvenience.

This party totally smacks of awesomeness!
By Roxi
Smack That
To have sex from the back, hit it from behind, doggystyle. Doing this hard and fast so that it makes a smacking noise.

That girls hot, I want to smack that.
By Wandis
Smack On
Smack On means to propose a fight with someone. Generally in a joking manner but can definitely can be used very effectively in a real situation. Smack On is closely associated with the term "punch on".

Joking:
Luke: "You suck apples"
Brad: "Smack on cunt"

Serious:
Josh: "I fucked your ex on a trampoline!"
Ryan: "Smack on cunt!"
By Adore