When two vegans have an longstanding argument. Since it can't be a "beef", as one might normally call it, this word represents a portmanteau of "tofu" and "feud", making it acceptable for people who don't eat meat.
"Oh my god, Jenny is such a bitch. If I catch her tweeting about me at the Starbucks again, we're going to have a tofeud."
by DrCatherwood September 21, 2017