1. A little known section of the colon (just past the Appendix) where large blasts of flatulence can hide for days before bursting forth with great fervor.
2. Also, see Ed in "Shaun of the Dead".
1. "Excuse me, I had a bean burrito last week and...uh-oh...here it comes out of my fartbank!"
2. "I'm sorry, Shaun."