Someone who sleeps with everyone. Will do anything that walks.
Dang i heard that girl had sex with five dudes in one night. Yeah she is such an Erwin.
by DAS group August 12, 2011
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The best person you will ever meet. He is much better than his friend Aaron who is a disappointment to his family. Erwin is tall and smart while Aaron is small and dumb.
Man I was Aaron was Erwin.
by Aar0n119 November 26, 2018
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Someone who would rather stay home and cook bacon than win incredible prizes from old navy's best week ever.
that fag is such an Erwin
by DJ Diamondz August 12, 2006
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To block the cock of ones male friend.
To stop a male friend from recieving vaginal action.
Oh crap, that dude just Erwined me!!!
by Dave13579 December 12, 2007
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An erwin is a loser, someone who fails at life, someone who has horrible luck, or someone who is just really stupid.
jake: I went to go see a movie today, but when i got there it had just sold out!

Tony: You're such an erwin you should have shown up earlier.
by anton barbosa August 20, 2006
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The fattest clown and occasionally referred to as a fucking simp
why are you being such an Erwin?
by Ballnx July 31, 2020
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If you looked for a definition about "Erwin", either you were doing it for a research project or you're a Girls und Panzer fanboy
by 7point92x57mauser September 2, 2019
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