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!
Another way to call some one a complete retard.
Jake: man Ashley is being so stupid today.
Stuart: yeah I know she's a window licker
I person who licks a window on a handicapped bus (used as a insult).
Kent you’re a fucking 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”
A person of limited mental capacity who licks the windows of the short bus.
Here comes the short bus, wait is that Jamie Collins and Aidan Lambert being window lickers?