Order a Stripper or Two from St. Louis Party Strippers
Round up the boys and head to your place of choice. Load up with dollar bills before hand and save a few bucks for a lapdance.
Just like the ones you used to go to in high school. Great idea for you young guys who want to have a huge drunkfest. Pick somebody's house who has the room outdoors to accommodate a bunch of drunk dudes.
Rent a hall
Stock the bar, set up a card tournament, sell bachelor party tickets, cook some man food, hire a stripper, crank some tunes.
If you've never done it, I highly recommend it. Few things in life are more fun than whacking your buddies in the side of the head with a paintball. Gauranteed to be a total riot.
For those of you who are heavily into the sport. Gather a foursome or two or three. Book some tee times at a decent course. Head out for drinks and partying afterwards.
Guzzle beer by the pitcher until the bachelor cries uncle. See if you can hit every bar in town.