Warm apple cobbler
An unknown sexual act. Not actually defined, but implied by it's dirty connotations. It's a very dirty, filthy act, but is also a very versatile term.
Person A: I can't believe I actually did the warm apple cobbler.
Person B: I know...I didn't know you and Josh were so close, or so...uninhibited.
Person B: I know...I didn't know you and Josh were so close, or so...uninhibited.