1. A wet and sloppy pussy. a girl with a gewsh usually orgasms like old faithful.
2. Gewsh can also be used to describe a worthless person who has no reason whatsoever to be living, relate to a punch clown
1. A pretty, cute, beautiful and sexy girl who's very loveable and an amazing girl. She can be very nice, but be careful to not awaken the beast inside her or she'll slap you silly.