I...kind of feel like being an adult playing Scrabble with an eight year old means accepting the responsibility of maybe having semi-educational conversations about and new-to-them words you play? Like, depending on the kid/how well you know them/how much they know about sex, "fellatio" could be a fine word to play if you're comfortable being able to have that conversation in a way that works for both of you, but this person clearly wasn't...and also I am on team why are you trying so hard to beat a child at Scrabble.