sus 

usually meaning suspect, acting in a nervous, acting different, out of place.

in this example ant cheated on his girl with her friend.

carl: heyyyyyy baby, u look so beautiful.
Ashley:thanks, u never said that throughout the whole course of our relationship wtf is up.
carl:: nothing i just love you.
*phone rings* (its ashleys homegirl)
homegirl: hey sexy!
Ashley: hold the fuck on cuz yall niggas are acting mad fuckin sus, and why the fuck it smell like sex in this bitch!

sus by munchieeee July 25, 2009

Sus 

A name you call your friends

"Sus.... I was lookin hurt"

Sus by Swami_540 April 3, 2019

sus 

amogus

Red is sus

sus by yeltsA kciR May 17, 2021

sus 

why why why why why why why why why why

person 1 "sus"

person 2 "dies"

sus by uhhh_yes? May 26, 2021

Sus 

To act, do, or say something suspect or shady that others find negative or wrong.

Example #1

Friend #1 : Yo dood, last night I was bored so I went and slept with my ex girlfriend...

Friend #2 : DOOD, THATS SOOO SUS!

Example #2

Friend #1 : Yo! look at that kidd wearing a twilight shirt!

Friend #2 : HAHAHA DUDE that kidd is so sus!

Friend #1 : I know! :D

Sus by Otter Mozz October 21, 2010

Sus 

the act of being suspect or in question. doing something that is widely ill-advised and/or straight stupid. a sus person can be any one of the following - gay, a snitch, a trick, annoying, weird, retarted, stinky, thirsty, "the feds", associated with the illuminati, fat, short, old looking but actually young, a social loser, a tag along, a friend that you are ashamed of, a mexican, pretty much anything that has a derogatory meaning to it can be put under the sus category.

you hear that song that josh made for that girl?
nah bro he's too sus, i dont fuck wit him like that.

Sus by big dog 39 August 24, 2010

Sus 

losing your virginity in a tag team involving a short mexican and a horny teenager. often while tipsy off of expensive wines.

"man, you hear about cody? that kid was victim of a sus."

Sus by king poseidon1.0 November 26, 2013