The one guy or girl in the class who can't stop themselves from using tipp-ex whenever they make a tiny spelling mistake or don't write a letter the way they want to.
Usually their page ends up covered in the white stuff and is just a drippy, sticky mess.
John: Dude, why the hell is Katie's page all drippy and sticky? Is it to do with her meeting eith Dan behind the-
Jill: Oh no, she's just one of those weird tipp-ex freaks.