a servant who tastes the cum before his/her master gives/receives a bj.
Mike wants to be a cumtaster when he grows up.
by hahahahahaahha May 19, 2009
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When someone or something is both fantastic and delicious or fantastic and orgasmic. Cumtastic! Can quite literally be used during any conversation, but I find I use it the most when trying to emphasize how good food is or how delicious someone looks or makes me feel.
1; Did you see how good Morgan looked today? Mmm very cumtastic!

2; I had THE best chicken and waffles the other day, they were absolutely cumtastic.

3; I love how I can just be myself with her and tell her anything. Being able to be open with someone like that is cumtastic.
by The Top Bruh August 1, 2021
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When you think someone is fantastic to the point of wanting to cum in them
by Lil_nando June 3, 2020
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it is when you feel orgasmic and fantastic at the same time. it a like a burst of happiness and cumingness.
i feel cumtastic when i see ashleys tities.
it makes me wanna burst out a huge orgasm and shoot skeet flames all over her
by ballslsls July 19, 2008
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When something is so amazing/fantastic it cumtastic (also could be know as cumderful)

Originally from arisfavkid and aris.confetti
Person 1: Omg you look cumtastic today!!
Person 2: Thank you!! So do you!!
by Arisfavkid July 27, 2022
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Where you watch a good hentai video over and over. Cumming so much that your balls/pussy hurts to where it's gotten everywhere and you try to cum again but all that happens is muscle and hurts like HELL!
Oh my god! Ohmygodohohohmygodohmygod!!!! Agh! It's in the cats eye! On the ceiling! In microwave! Agh in my eye! Agh I can't do it no more! aaaaaaghghagahgahag!!!!!!! I don't have any napkins!!!! I'll have to use my mouth! The horror! It's cumtastic!!
by Tubba bubba May 16, 2011
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