Top definition
Deceiving someone via social media or dating site by posting/sending pics or videos that are very old and
don't represent the way you currently look.

Koi's are the longest living fish. They have been reported to achieve ages of 100–200 years. - Wikipedia
Fuck man I got koifished on POF. That chick I met the other night looked hot on her profile pics, but when I saw her she looked 15 years older and had gained alot of weight.
by foxaguilar August 21, 2018
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Sep 11 Word of the Day
when you're hungover as shit after a spending a night drunk as a skunk
I'm hungover as a duck let's go get some grub
by pokeythepony June 25, 2021
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2
(1) A stupid kid who always try to admire themselves. Will particularly target a black girl to roast.

(2) A kid who goes to a good school but never appreciated and try to play games all the time.
(3) A kid who always wants his name to posted on something they like
That KoiFish kid is very funny indeed
Cmon you dont need to always be the team captain, koifish!
HA! You got koifished!
by ConciseIce January 20, 2020
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