nerds who sit in trees close to a persons wifi network and steal his bandwith

Tree Scrotum or Treescrotum.

The combination between a tree and a scrotum.
Can be used as a disorienting insult or an awkward silence breaker.

Another name for the Bradford Pear, and ornamental pear tree. Characterized by greenish-white flowers which smell like a cross between old semen, dirty vagina, and rotting fried shrimp. Common throughout the South, these trees are pleasantly located near eateries and other fine establishments.

A manual transmission with 3 gears and reverse, that is located on the steering column. This is the most common transmission on vehicles from the late 1930s through the late 1960's, but could be found on vehicles as late as the 1980's.

- to smoke marijuana. It is used during casual conversation in attempt to determine if a person also burns trees, because only a fellow tree burner would know what the speaker is talking about.
Also used when inquiring about products.

When a man pulls back his erect penis and lets it go to smack someone in the face, the same way one would pull back the branch of a tree and let it swing back into place.

an expression to describe when someone disses another and the victim is incapable of a comeback.