A combination of "derp" and "mep" used to describe an awkward silence created by someone doing or saying something stupid.
Teacher: "Are you sleeping?"
Student 1: "No, there's a bug in my eye and I'm trying to suffocate him."
Student 2: "Merp?"
by Derpin Bird May 12, 2011
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excitement, nervousness, shock.
"Hi Krista." merp!
by merp10 December 3, 2009
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It is a common nickname given to a beloved friend which literally means, In "Dutch" - a Sperm Rapist.
"Hey Merps.. MY little merpy werpy woo, you gone done poo poos in your pants again? Thats no good. You know I will always love you."

or

"Hey I am going to call you merps from now on because of that filthy act you did the other night!"
by Jacob6969Amsterdam April 27, 2007
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A fabulous max human being that tends to be quite kawaii but is extremely awkward and creepy.

A cat.
Wow, they're a merps!
by Shorps July 3, 2012
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A fictional STD, that is both MRSA and Herpes. Used to describe something or someone that is beyond gross.
"Dude, don't go near her. You'll get the merp."
by Wilhelm December 19, 2007
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Herpes of the mouth. Very common but embarassing. Also refered to as cold sores or fever blisters.
"you shouldn't have gone down on that chick man, your gonna end up with merpes."
by R1Jesse February 16, 2010
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My Erect Ready Penis. Can be used as a way to seduce the person you want to stick your penis in.
"Hey, MERP is ready for you whenever you want. "
by Crossssss March 11, 2017
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