Under its original spelling Philistine, it's defined as those who are smug, ignorant and indifferent to intellectual pursuits.

"Phyllis-teen" (often shortened to PT) expounds upon the original definition and refers to women of little, intrinsic value - often named Phyllis, Lisa or Courtney. A woman whose narrow view on life often includes a disdain of all cultures (except her own), pure hatred for children and a life focused on having her partner pay for all her shit because she's a spoiled beeyotch and he's a fucktard.

Essentially, phyllis-teens are spoiled skanks and racist baby-haters. A phyllis-teen would eat a child's innards and turn its skin into a Gucci belt if given the chance.
That PT told my girlfriend that most babies are annoying and that she wants to smack their faces off sometimes. Phyllis-teen then told her that she'd consider getting preggo so her BF would have to marry her...or pay child support.
by StynkStar August 11, 2006
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A woman who was anti-feminist and actively stopped the passage of the ERA. Successfully weakened the huge wave of cancer or feminism.
Bob: Wasn't Phyllis Schlafly a fucking hypocrite? My history teacher said that she was a bitch.
Milo: No she helped stopped feminism from growing.
Bob: Oh shit nvm lol. She's a fucking savior!
Milo: Hail Phyllis Schlafly!
Bob: Hail Phyllis Schlafly!
by Lizard boi July 18, 2018
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The emotion of great happiness, pleasure and condition of supreme well-being and good spirit, which can be expressed through interpretive dance and/or repeatedly chanting loudly the name "Phyllis".
"wow cool dance, what it is?"
"Is this phyllisness dance!"

"What is this strange pleasant feeling inside me?"
"is Obvious!, your feeling phyllisness"

"phyllisness brightens my world and gets me through the day=<3"
by Dr Dinh March 11, 2008
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The act of inviting an undesirable person into your conversation or party and then bouncing on your friends.
Pam invited that tool Gary to the party and then phyllised the shit out of us.
Pam has a bad habit of phyllising her friends with freaks that she finds on the street.
by Jo-Molpol September 1, 2018
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