Mine is being stranded, alone, in the middle of the ocean. No boat, raft, life preserver or anything, just me hanging out in the ocean, doggy paddling.
I swear to God, if I were ever in this situation I think that I'd probably swim down as far as I could until I ran out of breath, so that I'd drown before I could make it back up for air.
I'd much rather die that way, rather than waiting around for this guy and his buddies to come see what's up: