If there isn't, there should be. Well, we could name it after you since you brought it up.Is there some kind of Godwin's Law equivalent for when, in a thread discussing feminine issues, someone claims someone else is on their period?
Hmm...
"This thread has been Gusto'd." Wouldja like that?

I'd rather not be associated with discussing menstruation in an internet argument.
And I've already coined an internet law, seldom used though it may be.
