trout pout noun unnaturally inflated lips as a result of collagen implants UK An unfortunate similarity to the freshwater fish.
Collagen implants in the lips produce a fuller mouth but can create “trout pout”. — TheObserver, 17 August 2003
I am forewarned of this cosmetic development by the DailyMail, which runs a forensic full page of Meg’s “trout-pout” the day before I see her. — TheGuardian, 5 October 2003