Hahah, totally forgot about flip flops…. they're way up there. Flip flops altogether. Can't deal with that sound!
Unpopular opinion. Sue me. Lol.

Tried having a pair. Too wiggy for walking. Couldn't *not* make that sound. Looked like a cat walking on wet grass.
Guess I'm just a shoe person all the way. Not even sneakers.

Here's one (because really, 5 is hard!)
The "music" when on hold on the phone. WTH?! In this day of super technology, they can't do better than some crap (that keeps cutting out, no less) coming out of a tin can? Really??? (Like being on hold isn't bad enough all by itself, right?)