A word used to describe a thing/object/event so fantastic that it will give/gave the said person an orgasm.
Haley: oh my god. wow. you look fantasmic.

Reeder: (wearing a turbin and smelling of goat urine)
I know. : )
by Reeder March 27, 2007
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a combination of fantastic and plasmic. used to express great excitement or to describe something incredible. can also mean great.
"Did you go to the big concert this weekend?"
"Yeah, it was totally fantasmic!"

"Are you coming to the party?"
"For sure."
"Fantasmic!"
by b_bop December 10, 2007
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When something is so fantastic you accidentally nut
Whoopsie that’s fantasmic also my pp hard and white white has arrived.
by Ethanfunnyhaha October 05, 2019
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fantastic and orgasmic. or just a really really good orgasm
this sandwich is fantasmic or this woman is fantasmic in bed
by the burgermeister November 27, 2007
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