Window Licker

I.e.- Mentally challenged (Aka Retarded).

- Can be used as an insult
-Can be used as a joke for friends when they act stupid
- A derogatory term for a "special" child.

Dude- You are so stupid.
You- Shut up and go to hell you window licker!

by Mr. Manly Dan September 22, 2017

Window licker

Being a retard or "sped" in general.

Yo Joey dont be such a window licker

OR
You fucking window licker

by Window lickers 010 July 16, 2017

Window licker

A person who “rubs themselves” while looking at other people on a bus while licking their lips and grunting and ejaculating on the windows

“Wowzers that window licker is staring at you”

by Educated human specimen June 24, 2023