Top definition
"Speak English, Motherfucker"
Acronym that should frequently and forcefully offered to immigrants--legal or illegal--to the US who refuse to assimilate and insist on jabbering in foreign tongue.
As I was getting on the 2 train in Wakefield, I passed a gaggle of babblers spewing forth "espanol." "S.E.M.F.!" I said. They thought it had something to do with green cards and the INS, and they scattered like cockroaches in the light.
by New York City Dave July 10, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
A little boy just stole your candy.
you yell, "Come back here you little semf!"
by alliSINFUL March 28, 2005
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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3
I bet I could blind fold that SEMF with floss.
by BJCMTBOYLE October 07, 2005
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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