chestne en · NOUN
Etymology
From chest + -ne.
Meanings
-
(informal, uncountable) Acne on the chest.
In other words, chestne is somewhat less likely to be caused by what's going on inside the body than it is to be caused by things which come in contact with the skin.
2018 October 9, Erin Bunch, “Boob Zits Happen—One Derm Finally Clued Me in As to Why”, in Well+Good:If you have tried all of the above tips and you're still dealing with chestne, consult a dermatologist for prescription topical treatments.
2023 January 22, Truly Beauty, “How to Get Rid of Chest Acne”, in Truly:It's so refreshing to be with a guy who actually wants to be seen with you in the daytime that you convince yourself you can ignore the busted grille, the acne, backne, and chestne, or the fact that YOU normally wouldn't want to be seen with HIM in the daytime if you weren't so tired/desperate/horny. But resist.
2012, Heather Rutman, The Girl's Guide to Depravity: How to Get Laid Without Getting Screwed, Philadelphia, P.A.; London: Running Press, →ISBN, page 79: