A small twisted piece of toilet paper, usually discovered hours later on the bathroom floor, that has obviously been used and should have been flushed, but wasn't.

Someone who's tag is hanging out of their shirt.

When someone has the tag of their shirt ect. showing over the collar of it, they are referred to as a tag dag. The actual tag as referred to as a taggy daggy. If you see some one with a taggy daggy, it is entirely appropriate to stick your hand down the back of their shirt to to fix it.

Someone who always seems to have their clothing tags hanging out whilst wearing them.