Similar to a typical coomer a wootcher is an individual who watches pornography. However, a wootcher does not masturbate to such porn; instead, a wootcher will only watch.
P1: today I watched 90 minutes of porn.
P2: dude... your a coomer.
P1: nah man, i didnt jerk to it, i'm only a wootcher
A woman who is considered sexually promiscuous, either due to her attitude, way in which she dresses, or her number of partners, it could also mean a combination of all three.