Slang for "monster."
"Momah dare's a monstah unduh muh bed."
by Spencer Ingram March 31, 2008
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Mad wicked scary, yo. Freaks the shizzle outta this nizzle, fer real.
Dawg, deese MONSTAHS is whack!
by cazper October 26, 2003
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The term "Like A Motherfuckin Monstah!!!" comes from the game of Pokémon. Started in 4th gen and continues on in 5th gen. It refers to a pokémon being able to take a large hit from a strong attack.
Oppenent sent out Suicune.
You withdraw Charizard.
You sent out Sceptile.
Opponent's Suicune used Surf.
Sceptile takes the Surf Like A Motherfuckin Monstah.
Opponent bitches about his mistake.

You Win!
by AkalaFanBoy2 March 25, 2011
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Adj. bad ass. sweet. cool. awesome
The Red Soxs beat the Yankees last night, it was monstah pissah.
by JMPM September 5, 2011
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When you need a monster to clobber dat daer kirbeh
I NEEDUH MONSTAH TA CLOBBAH DAT DAER KIRBEH
by Nintendrew November 20, 2022
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