That, along with absolutely everything resembling ballbusting and the like, would go under 'physical abuse' and 'verbal abuse'. The boring "yeah baby" and it's so big" will be fine, but "I'm gonna make you cum", "you fucker" or, on-topic, "I'm gonna bite your cock" or "you pathetic loser" is, by the letter of the law, illegal now. Consent is irrelevant.