One night a week or month when the bars (usually in college towns) charge a cover and then let patrons drink all the cheap beer they can. You have to get there early to get a pitcher or you're out of luck, they go fast.

When you eat dirt for the first time and leave your family to build a shack in the woods

Someone who does not care for pennies and leaves them on the ground somewhere. rich

Someone who leaves pennies (heads up) hoping others will get good luck from picking it up. thoughtful

Someone who considers throwing pennies at unexpected victems a sport. asshole