A nut or fruit that has gonebad but not visibly. Too make a fruit or nut in this condition, it shows no sign of rotting and you bite / eat it. It should taste terrible.
Ugh, I just ate a nut and it was so frowie.
Those pears went frowie after a few days.
Mounting a girl perpendicularly then you quickly pull out and vigorously slap your penis against her left ass cheek leaving bruises to resemble eyes. This allows the ass crack to resemble a mouth in which it is frowning.
During a sex session things got awkward when Kevin suddenly gave Ochga a Frowning Freddy