Any manner of lowlife individual who partakes in promiscuous anal intercourse with any and all willing participants.
I dropped my car keys the other day and when I bent over to retrieve them, WHAM! this Smacks comes up and rams his dick into my ass!
by Zarr January 20, 2004

3-year-old Patrick gave his cousin 10-year-old Michael a smackon the cheek,for protecting him and his teddy bear from the monster under his bed.
by JMC70 May 18, 2017

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
(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

by SmackDonalds January 29, 2012

by maccam1123 October 14, 2009

Abbreviation of "smack-ass"
A person who is rude, obnoxious or vulgar; a jerk or asshole
Commonly used by someone to refer to a person that is telling them things they don't want to hear
A person who is rude, obnoxious or vulgar; a jerk or asshole
Commonly used by someone to refer to a person that is telling them things they don't want to hear
Mike: Laura, why aren't the dishes done?
Laura: I'm sorry, I was busy.
Mike: I'm at work all day and when I get home the first thing I have to do is clean. Why are you never able to save me that trouble?
Laura: I do have other things to do, you know.
Mike: Like what, watch QVC, eat cookies, and sleep?
Laura: You know what, you're a real smack!
Mike: And you're a useless piece of shit! Now that we've stated the obvious, where's my dinner?
Laura: I'm sorry, I was busy.
Mike: I'm at work all day and when I get home the first thing I have to do is clean. Why are you never able to save me that trouble?
Laura: I do have other things to do, you know.
Mike: Like what, watch QVC, eat cookies, and sleep?
Laura: You know what, you're a real smack!
Mike: And you're a useless piece of shit! Now that we've stated the obvious, where's my dinner?
by PinkFloydManiac1973 January 2, 2012
