You place a hand under each and lift them up, the weight of them makes your cock rise you imagine the heaviness of them crushing your face and your cock disappearing in the middle of them knowing within seconds you’d make a sticky mess all over them
I think a cute coworker of mine just saw me posting my cock. So, if you're reading this, there's a quiet supply closet on the third floor we can talk about this in for the next twenty minutes or so.