Top definition
When you try to let wind out quietly in public but the end result is audible.
1. Bob was graydering earlier today, it sounded awful and smelt bad too.
2. Alexandra was in a silent aeroplane museum when she did a gray de. I heard it loud and clear. She was very embarrassed for herself.
by Mr. Bird Poo July 02, 2013
Get the mug
Get a graydering mug for your friend Manafort.