Legal DiCaprio

When a couple gets together with a significant age gap, especially a middle aged or older man and an 18 to early 20s woman. Named for the joke Leonardo DiCaprio's early 20s girlfriend

Dude, I hooked up with an 18 year old chick last night. It was awesome!
Bro, that's gross, you're like 40
18 is legal though
Yeah, Legal DiCaprio