Dude in front of me: "Yeah. My face hurts a little. I was outside-ing all day yesterday."
Cashier: "Oh, do you mean you were siding a house?"
Dude in front of me: "No," pause, "I was outside-ing all day on my bike."
out·sid·ing [v. out-sahyd-ing]
1. The act of a person who participates in any outdoor activity?