A form of insult or diss towards Mac Miller.
Did u hear that Wac Willer song? It was most weak.
by AL-B from AL-B Productions January 8, 2012
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Some person, place or thing thats super wack.
Originating from Dave Chappelle's use of "Wack Arnold's" instead of McDonalds for a sketch. It became "Wac Bennet" because the library at SFU (burnaby,BC, Canada) is named wac bennet, and thats kinda wack.
Man, that kid is Wac Bennet, yo!!!
by Aneiz June 1, 2006
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a slang term for masturbation or a hand job.
Dude, Jessica Alba was so hot in that movie, i can't wait to go home and wac arnold.

Tiffany strait up wacked my arnold in the line to get into Elitches, in front of a family and everything! Now shes a bad bad bitch
by Jack Meehoff2 January 14, 2009
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This group is dedicated to us girls, who come home after a great night out, whether at bars, clubs, sporting events, etc, etc. We get to the diner, only to look through our pictures in complete disgust, dismay, and laughter... you might be wondering what causes such a reaction? Creepers.

Creeper:
Someone who stares at you or stands in a group they are not apart of. He/she will be in a place watching and being a creep around other people. Creepers are not wanted at social functions.

You might find them in the corner of a great picture, they may stick their face in your picture, you may catch them staring at you while your picture is being taken, they might ask to be in the picture, often asking you to take one alone with them, but the most foul of these offenses is when you find pictures of the creeper himself, that NO ONE TOOK.

If you or someone you know has a creeping problem, please call 1-800-IMA-CREEP.

For more info along with scandalous in your face photos, visit our group on facebook!
WAC: Women Against Creepers

Example:

"Grant is such a creeper. He will not leave us alone."
by The Staten Islanders January 19, 2009
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A route or road that is not the main one a person would use to get from A to B.. eg. Small side roads or country lanes that avoid busy main roads.
I'm not going on the motorway.. I'll go the back-wacs
by J.Fritzel April 15, 2019
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The wac bitches is a group to stay away from. Made in 2016, and then disbanded in 2016, many believe that the wac bitches no longer exist. But what most people fail to consider is wacbitches2.0 which is two times as wac, and 2 times as bitchy as before. Often found TP-ing at night, they also make appearances on the back of trucks, in peoples yards, and in trees. They HATE seth rogan and avoid him, and all of his worker demons at all costs. The wac bitches really like to "fuck shit up" and security cameras don't scare them. You've been warned.
The wac bitches (2.0) totally fucked up my house last night when they were going on their TPing rampage!
by wacbitches April 17, 2016
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