suck in 

Allowing air to be sucked into one's anus and blown out as a fart.

"Dan the Farter" on the Howard Stern show can do suck-in's all day.

suck in by Burns September 24, 2003

Suck in 

When you arnet skinny but you wanna look skinny so you suck in your fat to make yourself appear to be skinny when you arnet

P1: omg gurl have you lost weight you are so skinny

P2: omg gurl no I haven’t I just suck in and it makes me look sooo skinny

Suck in by Skoobydoobiedoo April 2, 2019

Indian suck in 

A term for having semi permanent curly hair. It is the opposite of a Brazilian Blowout, which is a semi permanent treatment to straighten the hair.

My hair was so curly after that Indian suck in!

Indian suck in by Ashawesome31 May 24, 2018

suck it in 

To suck in your stomach, raising your shoulders. Makes you look thinner

I had to suck it in when those girls walked in so they wouldn't see my beer belly.

suck it in by genrippz October 23, 2005

suck dicks in hell 

An insult phrase used to express complete hatred and disgust of another person; Telling a person what you think of their style or actions.

After Tony screwed my dog, I caught up with him at the liquor store, beat his ass, and told him he could "suck dicks in hell!".

suck dicks in hell by Chuck Woolery July 6, 2003

Suck you in 

When males are too old to get tucked in then their wonderful wife or lover gives them some pre-bedtime oral pleasure.

Her: "Going to bed sweetie?"
Him: "Yep."
Her: "Ok honey after I finish peeling this potato I'll be up to suck you in"
Him: smiles
Her: smiles too

Suck you in by Him-is-Me March 5, 2010

Suck One In 

When a certain individual sucks air in through the back passage ways, using the anal and sphincter glands, this can then be farted back out. Resulting in the process often called a 'Fake Fart'.

Luke: "Sutton suck one in bled."

Sutton: "Yeah no probs man, lemme get in position."

Suck One In by Rob Sutton August 25, 2006