Define Cumveloping Meaning

An envolope fillied to the brim with ejaculate. In a game similar to soggy biscuit, an envolope is exchanged between male participants who each in turn add their own load to the envelope before the envelope finds its way to the reciever.

That act of ejaculating into a postage envelope out of spite for the sender or because it was there. This may be done with or without the intent of mailing it to the sender.