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5.
Derogatory term for a citizen of the United States of America. Sometimes spelled merkan.
Look at the size of that mercan! He must've eaten his children for breakfast!

Mercans' ignorance makes me cringe.
by Mr Spanky Pants August 07, 2006
 
1.
1. A wig used to replace lost pubic hair

2. Something George Bush thinks he is
George Bush: "I'm so proud to be Mercan"
by Lollirot December 23, 2005
 
2.
A pubic wig. used to replace pubic hair that one desires but does not have do to an accident or a hormonal defect
Bob has a mercan because he has no pubes
by andrew w. August 24, 2005
 
3.
A wig for a person's pubesor pubic region if he/she has lost the pubic hair, as stated on Family Guy
Salesman: Hey you like my pants
Joe: Sure
Salesman: There yours, you know what a mercan is?
Joe:No
Salesman:Pubic Wig, i got one, you want it?
Joe:No
Salesman:Of Course you don't your a classy guy, you want to be rich!!
Joe yes
Salesman:Sign here
by Spongebob69 March 11, 2008
 
4.
A rare species of homosapian - which legend says - originated from the arabian peninsula.

Displays agressive behaviour towards non arabs.

Is famously known to indulge in food more frequently than usual.

UMIS president (past, present and future).

Fails at pronouncing the word 'google'.
Known for her ruthless pranks, and abrupt comments.

Has an unusal obsession with purple items.
Q: Who is to blame?
A: Who else but Mercan!

Q: Who did this?
A: Obviously Mercan!

Q: So who's the president?
A: Dude, can it be anyone else but Mercan?
by Iggy Shepard May 02, 2013
 
6.
a pussy ass nigga who talks shit behind yo back and smiles when they see you
i'm a blast that fuckin mercan if i hear 1 more thing bout him talkin shit
by george June 19, 2004