I hit lefty, but only in baseball - You roast a gay or lesbian by saying they're straight and to

You roast a gay or lesbian by saying they're straight and too dumb to notice you. You say a bi person only hits lefty, but only in baseball.

You're not into me, you're into the guy with the mitt.

I don't swing that way, I swing for the fences and the guy with the bat.

You're not my type, you're the guy's type.