Shmackin 

When food is lit and good at the same time!!

Dog that chicken was shmackin my dude!

Shmackin by Itslitfamily July 24, 2017

shmackin 

when something is very fun. extremely crackin, hella cool

the function in richmond was SHMACKIN

shmackin by ecrizzel April 5, 2009

shmackin 

Popping pills, helluh on. When you're helluh high on pills, you keep saying "sh" everytime you use a word with "s" in it.

This Guy: Ey, you on pillz man?
Shmackin Shmark: Hell yaw, what's shmackin mang?
This Guy: LOL what's your name?
Shmackin Shmark: Shmackin Shmark mang. I put that on mamash mang.

shmackin by Shmackin Shmark December 19, 2009

shmackin 

When something is fun(like a party), to get something started(like a fight).

ex 1:"A yo cuz, that party was shmackin!!!"
ex 2:"It's about to be on and shmackin cuz, dat bitch keep talkin shit, i'm bout to crack her off top!"

shmackin by Kai'yonna December 29, 2005

Shmacking up 

when someone engages in informal sexual activity, including hooking up and/or oral

Person A: Are you going to that girl's house tonight?
Person B: Yeah bro.
Person A: You gonna Netflix and Chill?
Person B: No bro, we gonna go straight to shmacking up.

Shmacking up by BHPH November 9, 2018

smacking onions 

the sound of balls banging ass.

"I took her from behind and started smacking onions."

smacking onions by kalcaunniag October 11, 2011

Shnacking

Eating while on the shitter.

I just caught Samantha shnacking, she has really given up on life.

Shnacking by TheShaner August 29, 2016