Gerund form of multi-part verb “to chin diaper,” i.e., to lazily pull your mask under your chin instead of taking it off completely and deploying when needed.
“Man, it is staggering how many people are chin diapering in midtown today. Lazy fucks look like freaking idiots walking around like that. Sheesh."
by Vanderweasel September 25, 2021

when someone has a deformed chin whose chin could be worn as a fuckin boot.someone who has multiple fat ass chins
by Drew Klepzig February 1, 2009

The layer(s) of extra skin under the chin. Most visible on those with a excess of body mass. Commenly jiggled by people trying to annoy the victim, or get a good laugh out of the people surrounding the victim.
by Fugget McDoogle December 6, 2006

Gotta give props to Devastation Station for this on........Def: The act of suckin' some dick. Whether you're a female or a homo, chin ball could apply to both.
by Da Skrill September 25, 2007

Chin nuts in a joke:
What do you call nuts on the chest? - Chestnuts.
What do you call nuts on the wall? - Wallnuts.
What do you call nuts on the chin? - A blowjob!
What do you call nuts on the chest? - Chestnuts.
What do you call nuts on the wall? - Wallnuts.
What do you call nuts on the chin? - A blowjob!
by Psibar September 5, 2011

by udictionaryfan May 3, 2011

by The one who speaks the truth February 3, 2004
