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
Tyler: Hey jeff, guess what?
Jeff: What?
Tyler: I heard Erin turned down Kyle because he has a huge, dirty dick chin.
Jeff: What?
Tyler: I heard Erin turned down Kyle because he has a huge, dirty dick chin.
by T-Harmony April 19, 2009
A patch of hair grown on the chin that looks like a chin strap for a football helmet. Similar to a goatee.
Jimmy was so proud because after months of practice, he was finally able to grow and perfect his chinstrap beard.
by Michael Eric Brown May 28, 2005
by Grant November 18, 2003
by Sasquatch Jones September 12, 2006
by Johnny S. December 07, 2019
by brit.brit August 03, 2006