Past tense of Flannery, meaning, to steal a person's towel, while they are in the shower and then film it and post it on YouTube. Typically used as a form of practical joke or revenge.
Your momsaw the footage of when Chris flanneried Kevin. That must be why she keeps calling him.
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