Pyroconservation: participate in a controlled burn.
Bioagent: Shit in a geocache
Fan Dance: Ascend 4k-foot "mountain" or greater and descend on the opposite side
Cold Bore: Harvest a fish or small animal with your first shot/cast of the day.
Shaman: trip balls while outdoors
Brass Monkey: Experience mild hypothermia and rewarm yourself without going indoors.
Wetwork: harvest a large game animal at a range of less than 10m
Hippie Stomper: outpace someone on the same trail as you to get some peace and quiet.
No Russian: Harvest a full limit of small game in a day
Aloha Spirit: Ride a wave
Presidential: Complete the Presidential Traverse in a 24-hour period.
Marathon Man: Travel 26.2 miles in a day with overnight gear.
True Scotsman: Harvest two small game animals with one shot.
Snitch: get someone ejected from private land or in trouble with the rangers/wardens
Bobber: fall out of the boat in a Class III or greater rapid.
Flyover Country: Go /out/ somewhere you've personally seen from the air.
Coastie: Camp on an island only accessible by private vessel.
Merchant: barter successfully with a stranger while out