The cat like alien creature that Captain Marvel keeps as a pet. While it may appear as a normal cute Earth cat, inside it's mouth contains a shit ton of tentacles, smaller mouths and even pocket dimensions and bubbles of time.
Rocket Raccoon - *Trying to kill Chewie the Flerken* You have a Flerken on your ship!
Captain Marvel - That's my Cat!
Rocket Raccoon - That is not a "cat"! That is a Flerken!
by slangctionary March 31, 2019
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Man, its so flerken hot out here .
I love flerken your mom.
by FlavaBlast December 21, 2015
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