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On April 23rd, all adults no matter what gender or how big their boobs are. Must be facehugged and pregnant with a chestburster.

This is a parody holiday that was inspired by Alien Day, an annual promotional event dedicated to the Alien franchise, held on April 26.
"Today is Chestburster Day!"
"Did you bring your alien egg for Chestburster Day?"
by Xenolover101 April 13, 2021
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May 3 Word of the Day
Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
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On April 23rd, all adults no matter what gender, how big their boobs are. Must be facehugged and pregnant with a chestburster.

This parody holiday was inspired by Alien Day, that is an annual promotional event dedicated to the Alien franchise, held on April 26.
"Hey It's Chestburster Day!"

"Got your alien egg for Chestburster Day?"
by Xenolover101 April 13, 2021
Get the Chestburster Day neck gaiter and mug.