2 definitions by Themamo13

In reference to a person that has an ugly, or unattractive chin or jawline. Usually identified by a Thanos Chin Biologist
Patrick’s chin is quite nasty. That’s a Thanos Chin if I have ever seen one.”
by Themamo13 April 24, 2022
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A person who has been deemed qualified to identify if an individual has an ugly chin or jawline referred to as a “Thanos chin” in reference to the Marvel Character’s bumpy, deformed chin.
“Yeah he said that she had a Thanos chin. I guess he must be a Thanos Chin Biologist.”
by Themamo13 April 24, 2022
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