The nearest object becomes more or less invisible.Water!
A jet of water shoots from your wand.
The teeth of your target would begin to grow at a shocking rate.Nasty weather!
A storm cloud would appear and begin pouring rain on your target.
They would receive a large gash wherever your wand was pointed.Tickling sensation!
They would be stricken with a feeling of incessant tickling.
The tongue of whoever is hit curls back into their throat.Anti-gravity!
Whatever the spell is directed at begins to levitate.
The spell cleans up its target.Grip loosening!
Whoever is hit with this charm is forced to release whatever they are holding.
The person at which your spell is aimed will begin to float a few inches above the ground.Human paralysis!
The receiver of the spell will instantly be unable to move.
The steps of stairways flatten into a smooth surface.Instant flame-thrower!
Your wand produces a burst of flames.
Your target explodes.Sudden growth!
Your target increases in size.
The door at which it is aimed will magically unlock.Lock it up!
The door at which it is aimed will become sealed.
Your target will become really, really confused.Acne explosion!
Your target will become covered in boils (ew).