When someone does something clearly dangerous and fucking stupid and then suffers the obvious consequences of their actions. Especially when that person complains about it after.
1. Kit was the world's best "free climber" - scaling deadly precipices with no ropes or safety equipment. Sadly Kit is no longer with us. Fuckin right whack Kittybang!!!!!!

2. Watch this youtube video of a guy getting his finger bitten off after he sticks his finger in a crocodile's chomper! "Uh oh, this sounds like a right whack".
by Chief Charles Moose June 7, 2011
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Grab your favourite hydro flask and smack a girl in the head
Whack a vsco girl with a hydro flask or whip em with a scrunchie and give em what they deserve
by Dr.Belhabinscut October 20, 2019
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When a man is masturbating while asleep.
Example 1

Friends Wife - "Can I ask you a personal question regarding your friend?"
Husbands Friend - "Shoot!"
Friends Wife - "I caught my husband masturbating while he was asleep and I could not wake him up."
Husbands Friend - "Was he making Gorilla sounds?"
Friends Wife - "YES! YES HE WAS!
Husband friend - "What you witnessed was an art form known as SLEEP WHACKING, sleep whacking is multi-tasking at it's best."

Example 2
My buddy was telling me about his marital affair the other night. It involved him sleep whacking and it put him in the doghouse.
by deucebiggss1 March 1, 2014
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A whack to a guy’s sack
Mike- Hey Tyler.
Tyler- Yeah?
Mike- SACK WHACK!!
Tyler- OOOHHHHH!!!!!
Mike- HAHAHAHAHA
Tyler- Oh you think that’s funny, huh? DOUBLE SACK WHACK!!!
Mike- (High pitched groan in pain)
James- SACK WHACK (to Mike) AND DOUBLE SACK WHACK (to Tyler)
Tyler and Mike- I wanna die!!!
by ShamanViking September 9, 2020
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Whack A Hoe Wednesday is pretty explainable. Every Wednesday you go up to a hoe and whack them. Whack A Hoe Wednesday is a very big National Day!!!
Jenah: Guess what today is Jennifer???
Jennifer: What???
Jenah: Today is Whack A Hoe Wednesday!!!!
Jennifer: WOAH THAT IS SUPER COOL!!!!!
by JMSTRADTNER October 15, 2019
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The late Walter Beckers(1/2 of the. Jazz/rock duo steely dan) 1st solo album released in 1994 and produced by his duo partner donald fagen.
I got Walter Beckers "11 tracks of whack"cd at a used bookstore.
by 4realazitgits March 29, 2021
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A Term Used By Some Gamers To Refer To Hard-Scoping While Aimed Down a Hallway
God Damnit That Son Of a Bitch is Weasel Whacking!!
by Arbiter19963 January 13, 2011
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