get in them guts

refers to the action being taken when the male penis is at the farthest point or deepest depths of the female vagina.

What are you going to do after work? Oh, I'm going home to get in them guts!

lemme get in them guts

Another way of saying let me fuck you

Guy at bars goes up to girl and says lemme get in them guts guy gets slapped :)

Get up in them guts

Sex that is rough/passionate

I could really use a big black strap on cock now, because I can't quite get up in them guts appropriately with these short and stubby fingers of mine. =D

let me get up in them guts

A pickup line that doesn't work on everyone (including some british chicks).

Hey let me get up in them guts!