A term for a large woman's anus cheeks. Used by a man who is excited by the size of them.
"Talk about bum cakes, my girl's got 'em." - Spinal Tap
-An expression of great flattery
-A very appealing badonkadonk
-The act of anal romance
1) Jared: "BUM CAKES!"
2) Erin: "Wow, talk about bum cakes!"
3) Kels: "How were the bum cakes?"
Erin: "A little tough...but sweet!"