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?"
Student 1: "No, there's a bug in my eye and I'm trying to suffocate him."
Student 2: "Merp?"
by Derpin Bird June 5, 2011

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

by R1Jesse February 16, 2010

by Crossssss March 10, 2017
