Appmer is an adjective used to describe somebody in a group who is manipulative and leeches off the other people in the group and gives nothing but meanness and idiocy in return. An appmer may take awhile to find in the group however an appmer will usually face one of two fates

1: The appmer remains undiscovered and leeches off of the people in the group for the future

2: The appmer is discovered and removed form the group once people have had enough of his/her bullshit. Once this happens the friend group is deemed "appmerless"

A term used to reference cannabis/marijuana/weed.