Top definition
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.
"My old church keeps sending envelopes to collect offerings from me, but they just become Cumvelopes."
Cumvelope Cumveloping
Cumvelope Cumveloping
by ProfanEDDIE June 06, 2015