Herptastic

herptastic occurrs when the fan in fantastic is replaced by herpes. Hence herptastic.

That fucking douce is so fucking herptastic!

Herptastic by speshel July 11, 2010

hentastic 

An adjective to describe fantastic hentai.

Man, I watched a hentastic anime the other day!

hentastic by Ron-Bon July 1, 2016

Derptastic

Cause : An action performed that is bound to go wrong because it hasnt been thought out right by the derp

Effect: Extremely awkward situation.

John meets his girlfriend Jen and hugs her.
John: Hi baby! I missed you!
Jen: Babe i missed you too!
HUG
John's best friend Sam who is also around hugs them both and wants to say "group hug" but says "Threesome".

Jen: you just killed it .Killed it.
John(Dissappointed): derptastic dude.

Sam: Derpa derpa derp.Hurr

Derptastic by shyamieplaysguitar May 23, 2010

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

derptastic

a combination of derp and fantastic. can be used at anytime and is appropriate for almost any situation.

Jim: "I just totally hooked up with your cousin." Jacob: "That's derptastic, considering she has herpes and is addicted to cocaine and Doritos."

derptastic by eerisedsaysshutupkevin January 13, 2010

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

horntastic 

A woman/Man who is very horny all the time, usually in a sexy and fun way.

Greg: Man you were all over shelly at the beach today
Paul: Yeah bro, shelly is sooo horntastic.
Greg: getttt it!

horntastic by beachbabe124 December 5, 2010