Translated from olde english, merkin mean a pubic hair wig. Which today are very rare aliek the term itself.
Shopkeeper (1643):A mirkin for your quim, me lady?

Feminist (2005): RAPE!
by jackal8 July 13, 2005
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a) A pubic wig

b) A citizen of the United States of America, particularly of the 'flyover states'
Ah'm prahd ter be a Merkin.
by enitharmon March 17, 2005
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In parts of Brooklyn and Deep East Texas, a merkin is a unit of measurement in between a smidge and a schmear.
Sweetie, would you like a smidge of honey on your cornbread?
No thank you ma'am but could I get a merkin of jam instead?
by mrjsweezy July 29, 2012
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A merkin in the gay and lesbian set in Hollywood refers to a "usually" straight male escorting a gay woman to public events so as to attempt to camouflage the lesbian's secret sapphic lifestyle.
"T", the (secretly gay) actress is photogrpahed at the red carpet premiere holding onto "J", a well-known straight actor. People think they're "dating". He's her MERKIN for the evening.
by Fentress May 31, 2005
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yet another def...

In military terms, most especially the Navy, merkin is pubic hair left behind on either a toilet seat, or the rim of a men's urinal. More closely associated to women's restrooms than to men's, but applies to both.

A source of great consternation for those assigned the task of 'cleaning the head(restroom)'.
Jay - "Dude, check out all this fucking merkin on the shitter seat!"

Bob - "Thats foul bro! I aint cleaning that up... its your turn!"
by Kitten Huffer Extrordinaire February 25, 2008
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Pubic wig, often used by prostitutes who have been infected with or are trying to avoid pubic lice.
Amy: "Karen, my crotch is itchen pretty bad, there may be lice... what should i do?"
Karen: "Shave it all off and get yourself a merkin!!!"

or

Person 1: "i met this prostitute and she was wearing a fucia pubic wig.. whats that called again?"
Person 2: " oh, person 1, thats just a merkin."
by Emily McMahan May 25, 2006
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