14.5 mm brain surgery

In Halo series games, a headshot with a 'Human' sniper rifle, or S2 AM sniper rifle. The rifles caliber is 14.5mm. Thus, a 14.5mm brain surgeon, is a good sniper.
Sniper to opposing player: "Well i dont know if i can fix your level of stupid, but I would like to see the effects of some 14.5 mm brain surgery!" (THis statement is either following, or is followed by, several sniper rifle shots.
by strangr236 May 01, 2008
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mm yes very cool

what u say when ur slime says something random
“did u know hear about that ligma outbreak?”
“mm yes very cool.” *followed by laughter usually by both parties if they both mutually understand that what was said was stupid and random*
by mm yes very cool May 28, 2019
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152 mm anal rape

Its the derp gun that the KV-2 has, 700 damage at 111mm of penetration for armor piercing, or 910 damage at 86mm of penetration.
I just got one tapped by the KV-2's 152 mm anal rape.
by College kid 118 February 23, 2022
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skibbidy bop mm duh duh

The sound all creatures and objects make before they explode or implode.
Person:*lights a firework.*
Firework before shooting off: SKIBBIDY BOP MM DUH DUH-
*The firework then blasts off with a loud explosion.*
by yuhave2bmad? August 19, 2020
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skibbity bop mm da da

a sound that can be very slightly heard before anything is destroyed or annihilated in a quick way
person: right before the car was destroyed I heard skibbity bop mm da da.

(*yuerkyfyaioeerup* will be used as a destruction noise) ex: skibbity bop mm da da yuerkyfyaioeerup.
by korsirus July 06, 2021
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Yet another string of characters that people type when they're either really bored, really curious, or just trying to be the first to define a word.
"I bet you nobody's defined 1``211322433544655766877988099=--q==wqqewwreetrryttuyyiuupoopp\a\\saadssgffhggjhhkjjlkk;ll';;z''xzzcxxvccbvvnbbmnn,mm.,,/.. before."
by Anonymous-=tg November 18, 2022
Get the 1``211322433544655766877988099=--q==wqqewwreetrryttuyyiuupoo[pp][[\]]a\\saadssgffhggjhhkjjlkk;ll';;z''xzzcxxvccbvvnbbmnn,mm.,,/.. mug.
When a user types a specific sequence of letters and symbols
By chance a user randomly sat on their keyboard and typed qzawsxloijhgfdxcgvhjkmlnjh bgvndfvm,vm,m,m,mm,m,m,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,mcnxndn cvmjobfvhyukGFXHCGKBHJKML,;,KMBKCHDGRXRCFTGVYBHUNJMNHGGHGVJKBHUIKM;O,JMNHBGVFCDDVFBGYNHJUMKMLNHJGFVDS and found this
by Your pseudonym Suck.. Alot September 22, 2020
Get the qzawsxloijhgfdxcgvhjkmlnjh bgvndfvm,vm,m,m,mm,m,m,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,mcnxndn cvmjobfvhyukGFXHCGKBHJKML,;,KMBKCHDGRXRCFTGVYBHUNJMNHGGHGVJKBHUIKM;O,JMNHBGVFCDDVFBGYNHJUMKMLNHJGFVDS mug.