Top Definition
BiS
Gaming acronym for Best in Slot.
It refers to a piece of gear that is the best piece you can equip on a specific place (like a weapon, or a piece of armor).
p1. That druid took some clothie shoulders on the raid last night
p2. Yeah, I saw that, they are BiS for resto droods.
by devxornull September 14, 2009

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bis
1) Shortened form of biceps. Commonly used by gym-goers.

2) Short for "bisexuals."
Rocky: "Oh man, my muscles are killing me! Check out the gun show! (flexes arms) I did bis and back at the gym, and I hit it hard!"
Jeff: "Reminds me of your mom and sister last night."
Rocky: "What?"
Jeff: "I hit those bis from the back REAL hard, bitch!"
Rocky: "Awwww sniggity snizzap."
by Nick D August 16, 2005

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bis
Silent wording for bitch when trying to not say it out loud.
"Right! Hehehe... (bis)"
by Thaddian August 01, 2015

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Bis
A Kr0ean who says he is not a whale.
"Hey whale!" "I'm not a whale!"
by Drunk June 15, 2004

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BIS
A term that is formally used to address a person, both male and female, that has familar to the term "bitch". It is used normally with a shreiking tone.
Yo, stop stepping on my shoes, BIS!!!!!!!!
by Duckie Dao December 24, 2008

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bis
When a bro is acting weird. Especially when he is with a group of girls.
Dude, you're being a total bis. Chill.

Stop being so bissy, God.

Why the hell do you have to bis all over this place too...

Stop acting like a bis.
by Diesel Nation February 02, 2011

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bis
Bis - sister, from cockney rhyming slang - skin and blister - sister
Hey, you hurt my little bis and I'll break your legs
by Paton79 December 16, 2004

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The Urban Dictionary T-Shirt

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