1. Tom: "Dude, Gary is totally hitting on his girlfriends mom right in front of her!"
John: "What a friggin' derpster!"
2. "Bernie just screwed me on my car loan. I'll get that derpster if it's the last thing I do!"
John: "What a friggin' derpster!"
2. "Bernie just screwed me on my car loan. I'll get that derpster if it's the last thing I do!"
by JoBry December 09, 2008

by Jimmy McJimmers November 14, 2011

The type of person who dresses ironically or does other hipster related things but is too dumb to know the meaning of the word irony.
I'm buying this penny farthing because I saw someone else with one.
And it was cheap. Doesn't that make me a derpster?
And it was cheap. Doesn't that make me a derpster?
by Wogmaster November 01, 2021
