A phrase used when someone is being dumb or obviously didn't think out what they were about to say before they said it.
Teacher: "In this story, can anybody tell me what symbolizes death?"
Girl: "Whats death?"
Guy: "Really? You're straight derpin' right now"
Girl: "Whats death?"
Guy: "Really? You're straight derpin' right now"
by TheHerpaDerp March 23, 2011
by Yoshichu March 16, 2011
by MotlovCocktail December 14, 2016
by Hillathug January 22, 2010
Guy #1: Yo bro! Did you go to that concert last night?
Guy#2: Yeah! Fo Sho!
Girl: Hey guys! Do you wanna sign my petition to take soda out of the vending machine?!
Both Guys: Girl. Leave us alone, and quit Herp-a-Derpin'
Guy#2: Yeah! Fo Sho!
Girl: Hey guys! Do you wanna sign my petition to take soda out of the vending machine?!
Both Guys: Girl. Leave us alone, and quit Herp-a-Derpin'
by tkomast3r77 May 02, 2011
The act of derping in the middle of an important conversation where info is crucial or dealing with something along the lines of personal emotions.
Uncalled derping in the classroom during a test, business meetings, interviews, orgainization, or with someone who is really hurting emotionally and needs you to be serious.
Uncalled derping in the classroom during a test, business meetings, interviews, orgainization, or with someone who is really hurting emotionally and needs you to be serious.
Person 1: I was talking to Amanda the other day about my grandma dying and she dirty derped me...
Person 2: WTF...she did? Thats harsh bro there is a time and place for everything, but to be Dirty Derpin at that time...
Person 1: Yea we were just sitting there talkin and all of a sudden derps...I mean its cool and funny, but that was uncalled for.
Person 2: WTF...she did? Thats harsh bro there is a time and place for everything, but to be Dirty Derpin at that time...
Person 1: Yea we were just sitting there talkin and all of a sudden derps...I mean its cool and funny, but that was uncalled for.
by cleadmau5 September 07, 2011