A less obvious and crude way of describing cum and shit, which may be in the same place at the same time during gay sex.
"John fucked Edward's ass and as they climaxed and cummed, there was Potato-N-Gravy all over the place. On John's cock and a glacier of it in Edward's ass crack."
Waiter: What would you like to have with your rotisserie chicken, sir?
Me: I'll have some mashed potatoes and gravy Waiter: Perfect! I'll just take your menu and it'll be ready in around 15 minutes
Me: Thanks