One that sticks out in my memory was last year's Lakewood Open, hole 13 in the B position. For those not familiar with the course, this is a scary hole b/c it's a peninsula green, OB about 7 or 8 feet directly behind the basket, and the basket is on a slope so it can be VERY easy to roll OB. While not a long hole, you see lots of people throw sally upshots and take the easy 3 when they'd usually be in birdie range.
Anyway, I think I'd just 3'ed Geezer (the 600'+ signature hole at Lakewood), which isn't easy to do. First on the pad, I threw a sidearm out there, fast and flat, an Orc if memory serves. It faded eventually, towards the basket, but far enough that I possibly could have thrown the hole long and gone OB. After everyone else had thrown their drives, I went to scout out my disc, worried that I'd see it sitting way OB. As it turned out though, the disc had gone exactly basket high, and skipped/rolled to rest leaning on the pole
, nestled in the divot for the anchor. Quite possibly, if that little divot hadn't been there, I would have rolled OB. BUT, that divot was there, and I had one easy birdie...and unlike a lot of my good shots, it was actually witnessed by a decent number of people!