An overly exaggerated frown made in response to anything particularly stupid seen anywhere, be it an action, a behavior, the weather, some music, etc.
Anybody employing a fail frown must be aware that they must, to the best of their abilities, follow the guiding scientific principle principle-every action has an equal and opposite reaction.
This actually happened to me, so please, read it in order to contextualize this compound word. In essence, it was a message about corporate buzzwords and euphemisms I had sent to a friend.
-I talked to a woman this morning who is the owner of a cafe. She told me she used to be a paraprofessional, which is basically a glorified teacher´s assistant. She likened the euphemism to a custodian being named a "custodial manager." We both made a "fail frown" after she had finished explaining it to me.
The mistake couples make when a partner sticks his penis or a lesbian uses a dildo or her fingers to penetrate the anus of a woman and then proceeds to stick the same appendage into the woman's vagina. They fail to realize that the woman's vagina will be contaminated with germs from the anus.
The lesbian porn scene was intense, but there was a front-to-back fail at the end of the scene. One of the women may need to do a heavy duty cleansing. dirty vagina, vaginal infection, unclean, wipe front to back, stinky gouch
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi