4. Tucked-in shirts that aren’t supposed to be tucked in.
“Tucking your non-dress shirt into your non-dress pants.” – mahayana
There’s an easy test for this: If your shirt has long tails, it’s meant to be tucked in. If it has no tails, it’s not meant to be tucked in. If it has short tails, it’s your call.
Go forth and tuck correctly.
Instead, wear your tailed shirts tucked, and your nontailed shirts untucked.