At least in my opinion :)

• Riding a segway.
• Riding a moped.
• Bowling shoes.
• Bluetooth headsets.
• Socks with sandals.
• Fisherman's/bucket hats.
• Voting Republican.
• Skorts.
• Popped collars.
• Hawaiin shirts.
• Rolling backpacks.
• Jnco jeans. (Oh, middle school, you cruel mistress.)
• Jeans with no back pockets.
• Goatees.
• Speedos.
• Shoulder pads.
• Mullets.
• Really blond highlights in otherwise dark hair/frosted tips.
• Berets.
• Fur coats.
  • Fur anything, really.
• Toe socks.
• Keytars.
• Ugg boots.
• Excessive spray/fake tan.
• Smart cars. Yeah, I know they're more efficient but they look absolutely ridiculous. You probably have to empty your pockets just to squeeze in.
• Stripper-esque high heels. Especially the clear ones! Ugh.
• Jean shorts cut so short that the pocket flaps are hanging out the front. Stop it, you look trashy.
• Clogs. Why are these coming back?!
• Those foam, platform sandals.
• Breast implants.
• Doing a beer bong/keg stand. Sup, brah?
• Fingerless gloves.
  • In any context outside of working outside in cold, inclement weather. Hot Topic faux-metal middle school-esque.