Jim: "Oh man I've smelled that before! I think it's that new foreign girl Yun Li. She pulled an airdrop over at my desk the other day, and I threw up in my mouth a little."
Ron: "That dirty beeyotch!"
n. crop duster
1. on a treadmill (no matter how fast you walk or run)
2. with a strong tail wind
3. with a turnaround - for example, you crop dust while walking with your girlfriend, then she turns around and walks back to look at a display in a storefront window.