I can't believe after well over 100 episodes, Adam and Sam never thought of this one. So anyway, top 5 film that made you sweat because how erotic some scenes were, and of course, the criteria is that it can't be porn, and has to be actually a good film (meaning no late night cable channel garbage).
My choices (in no particular order, because how good of a film and how erotic the scenes are can be two different scores):
Betty Blue
Tokyo Decadence
Exotica
The Lover
Last Tango In Paris
EDIT: Hahaha, just after I posted this I listened to the last 10 minutes of episode 116, and yep, there is was--talk of boobies. Adam and Sam did not let me down.