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!"
or
"Hey I am going to call you merps from now on because of that filthy act you did the other night!"
by Jacob6969Amsterdam May 7, 2007

A fictional STD, that is both MRSA and Herpes. Used to describe something or someone that is beyond gross.
by Wilhelm January 8, 2008

Ejaculation.
Used only for comedy purposes. Never used to announce actual ejaculation.
Inspired by Jersey Shore, and then takin to a whole nother level.
Opposite of Derp.
Used only for comedy purposes. Never used to announce actual ejaculation.
Inspired by Jersey Shore, and then takin to a whole nother level.
Opposite of Derp.
Some hot cheeks walk by.
Jake: "Merp"
Some hotter cheeks walk by.
Jake: "Double Merp"
Grade-A milf cheeks walk by.
Jake actually merped his pants.
Jake: "I got to go to the bathroom"
Jake: "Merp"
Some hotter cheeks walk by.
Jake: "Double Merp"
Grade-A milf cheeks walk by.
Jake actually merped his pants.
Jake: "I got to go to the bathroom"
by ShredGnarShark July 5, 2012

by R1Jesse February 16, 2010

by Crossssss March 10, 2017

A-"I really want to play D&D but want the setting to be in Middle-Earth!"
B-"Then why don't we play MERP?!"
B-"Then why don't we play MERP?!"
by Vorsicon May 11, 2015
