That's So Funny. When LOL is taken over by boomers and nowadays pretty dry, but you want to let your friend know that what they sent was pretty funny and did make you laugh out loud.

Trans Sex Fantasy, dude becomes a girl and has sex.

That shit fucked

TSF is Trans Sex Fantasy, a Hentai Tag used for when one or many male characters turn into real girls. Also includes the ability to become pregnant and usually a sex slave slut.