Mucus related Hexes and Jinxes such as Bat Bogey Hex and Curse of the Bogeys are curses that involve mucus or 'boogers'.
Bat Bogey Hex
Causes bats to fly out of victim's nose. Ginny Weasley often uses this spell on people she doesn't like.
Curse of the Bogeys
Unknown, said to make it highly likely you'll encounter a bogeyman until the curse wears off.
Runny nose Hex
Causes the target to produce excess mucus or snot. Sometimes spawns snot creatures. Oscar uses this hex a lot, often on his living teddy bear.