1. Leaf Blowers - My neighbors seem to have some sort of agreement. One blows his leaves on Saturday and it takes him all day. The other neighbor blows his on Sunday and it takes him all day. Noise, constant noise, all weekend.
2. Sagging pants - I know the history behind this style that's been so popular for years now but really, isn't it time for it to be gone?
Anyone care to add to my list?