A Squire is person who does not do psychedelic drugs (
LSD, psilocybin containing mushrooms, DMT, or
Salvia) They are said to be "uncool" and not aware the the
world the way psychedelic drugs uses are. A squire has no third eye.
In the movie "Jay and Silent Bob
Strike Back" a mother leaves her child
outside the Quickstop in a stroller as she runs in. A passerby questions her parenting for leaving said child
outside said Quickstop. The mother calls the passerby a "Fucking Squire!"