kind of like a double chin or a triple chin, except a thanos chin is an ∞(infinity) chin, used to describe very fat people with ugly chins.
by craisins.inc June 09, 2018
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.
by Themamo13 April 24, 2022
he has such a thanos chin
by bobbyasarous February 20, 2019
In reference to a person that has an ugly, or unattractive chin or jawline. Usually identified by a Thanos Chin Biologist
by Themamo13 April 24, 2022