a tongue job (TJ) is when a woman pleasures a man's penis with only their tongue. If penis touches lip or cheek, it has now become a blow job.
Guy #1:Did you see H-Money doin' work on that mans dick?
Guy #2: Ya, i don't think his cock ever touched the inside of his mouth.
Guy #3: Ya, they call that a tongue job.
when a dude sticks his tongue up a pussy
"i gave mary the best tongue job last nite"