kumptastic 

when something at first glance seems pretty good, but once you take a closer look you realize it totally sucks

Kump seems like a good drummer, but he's really actually Kumptastic

kumptastic by Germ the Germy Germinator November 11, 2003

krumptastic 

One who is truly accomplished in the street dance form known as krumping.

Jesse: (Shows off his new hot dance moves)
Barbara: Damn son, you're so krumptastic!

krumptastic by nftylegacy September 28, 2009

Kerptastic 

Indicating that you are the best or unbeatable, mostly used after someone has been "Kerped" (read definition for Kerp)

That guy is Kerptastic!! xD

Kerptastic by ZackKerp April 1, 2009

dumptastic 

something so awesome it makes you want to shit your pants.

Katie, thanks for the new toilet seat for Christmas, it's absolutely dumptastic!!!

dumptastic by Jamie Sigman February 3, 2008

Dumptastic 

A girl with an amazing dumper. Dumper is an affectionate term for a girl's ass.

That girl's butt is DUMPTASTIC!!

Dumptastic by Mr Brainwash March 3, 2011

HUMPTASTIC 

Something that you feel great desire to hump (strongly) or something that you would really enjoy

MAN 1 "Hey man do you want a milkshake?"
MAN 2 "THAT SOUNDS HUMPTASTIC! Although I hear they rape dogs....."

HUMPTASTIC by blonde71694 March 29, 2008

Humptastic 

A great feeling of joy and excitement that makes you want to (strongly) dry hump any living thing you see.

After I got my test score back and saw I got a WHOLE 69 PERCENT (the best grade I’ve gotten this whole semester) I felt humptastic and started dry humping the teachers leg.

Humptastic by urban peepeeface February 1, 2021