Slang words starting with F

Face card is slang for someone's good looks, pictured as a card that always gets accepted. "Face card never declines" means they always look good.

Fanum tax is the bite of food a friend takes from your plate. The name comes from streamer Fanum, who "taxes" his friends' meals on stream.

Finna is slang for "about to," short for "fixing to." It comes from Black American speech, as in "I'm finna head out."

Fr is texting slang for "for real." It agrees with someone, shows you mean what you said, or, as "fr?", asks "seriously?"