The process of taking a massive shit during champion select.
*during champion select*
Bob: Let's fuck these guys up!
...
Bob: I swear, if he's pulling a Mervin...
*left queue*
Alex: WTF MAN. Now we have to wait 5 minutes.
Mervin: omg the toilet smells like shit now wtf
by Pulling a Mervin May 18, 2014
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A phrase used to describe discreet female masturbation.

An act of rubbing ones vagina on another object discreetly.

It is not believe that an orgasm can be reached when Pervin Mervin, but rumours have been heard of rare occasions where this may happen.
I caught her Pervin Mervin on the Rocking horse..
Have you seen Lucy? She's probably Pervin Merivn somewhere.
by TheRandom One June 14, 2017
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To plant fecal matter into the food and or beverage of ones client.

Typical Mervins:
*Sandwich
*Burger (Patties)
*Salad
*Spaghetti (Meat Balls)
*Sausage or Beef Dog (Hot Dogs are too pink)
*Beer
*Hot Fudge Sundae (FUDGE)
My boss is a DICK so i gave him a Hot Mervin in his Burrito and blamed it on the hot new bimbo apprentice.
by Shrexyshrek April 1, 2015
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The name for a weird old guy who frequents cafés, talks at the staff in generally contradictory ways, and somehow thinks he's friends of said staff. A general nuisance.
"salutons my main man how was your shift?"
#shit, smermy mervin came in and smerved all over the place, wouldn't stfu, and didn't fuck off for ages"
by Thomaz jarkerz November 28, 2017
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when you, one of your brahdahs, or some other bullay be spyin for some bean shots. pervin mervins are most common at Sandy Beach Oahu on any weekend especially saturday when everybody get one hangover from gettin allbus friday night.
nick: ho bah! hows daniel fawkin one pervin mervin!
jason: ahahaha dat bullay is gettin plenty bean shots today
by nickvdub December 26, 2007
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When cool male children give a mervin, then hang both sides of the underwear up on something high like a coat hanger, to whitie tightie wears.
In our locker room there is a coat closet, and the hangers are really high up and only 25 in. apart. I was changing in the boys locker room when the "cool" boys came in. 2 of them came up and gave me a mervin, but to make it worse they put the front side of my tightie whities on the left side of the closet, the the back side of my tightie whities on the other. They called it a hanging mervin. Everyone was laughing. They do this to me every gym day when the coach leaves early.
by Anonyymous August 26, 2006
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To Twerk or Fondle one's mervin. To twerk your Mervin: step 1) place mervin between thumb and middle knuckle of index finger. step2) twerrk your mervin
I sent that bitch home and started twerkin my mervin, t-t-t-t-twerkin my mervin
by 4s-ginn August 17, 2011
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