Weak. Deserving of disdain or disgust.

One who has a mania for music.

An annoying nosey person who asks pointless questions over and over again. A weesh will not leave you alone. If you get trapped hanging out with a weesh you can never get rid of him. A weesh will also rob or burn you. Another characteristic of a weesh is a person who makes a deal with you than changes the deal to benefit him once you do your part of the deal. Weeshes are paranoid and think they are always being taken advantage of but yet a weesh takes advantage of anyone he can.

a combination of wee and woosh

Weesh can mean

1 - Similar to saying Fuck off.

2 - It can refer to something bad, like shitty dody
3 - Can refer to a generally unlikable person.

another name for the drug marijuana.