>>107227238That could work for subverting expectation joke.
Starco:"T-t-TOM! It's not what you think!"
Tom:"No no no! It's okay! I already heard about Marco Jr. from Marco, so that's probably him! And besides, you're still 15 so there's no way I'd mistake him for your child, only dumb cartoon characters do that!"
Starco:"Phew! Can't believe we thought that of you, we're sorry! And also it's a girl!"
Tom:"Hahahaha, you should've seen the look on your....HOLY FU** IT'S A GIRL!?"