Glopping is slang for menstruation, aka having your period or being on the rag. Women often prefer this to more vulgar terminology because it can be used in public or as an inside joke.
"She is really cranky because she is glopping this week."

derivative usages:
"have a hemogloppin day".
"its Gloptoberfest in my house this week".
"next week is Gloptober".
heavy flow days may be described as "gloptastic"
by Vapor162 September 6, 2013
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Verb. Onomatopoeic word for masturbate.
Noun. Semen.
There was nothing Pete liked better in the morning than a good hard glop.
by tom August 4, 2003
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To be zoned out(spaced out) or just fucked.
“Hey man, you good? You look glopped.”
“Yo!!! That man just got glopped!”
by Benweezy June 22, 2019
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A fictional character you want to absolutely destroy with cuteness aggression but love them so much you just want to scream so badly but you want them to die within the first chapter/episode.
GAKUPO IS MY GLOP, I LOVE HIM SO MUCH BUT WHY CANT HE JUST DIE FOR ONCE
by PERICLODTHEGREATESR May 9, 2023
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The sound my dog makes with his mouth as I'm trying to sleep.
Pepper dog just won't stop glopping his mouth. Glop glop glop
by Shirley B August 31, 2018
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(n.)
1. Someone who acts like a clown or like they're drunk
2. A very immature person
3. A person who you may want to slap on occasions

(v.)
1. to annoy
2. to frighten extremely
3. to attack

(a.)
1. to be wierd
2. to be drunk, under the influence
3. to be the most annoying person ever
Emily: "Did you see The Rev? He was drunk off his ass!"
Olivia: "Hellyeah! He is such a glop!"

Olivia: "Hey, hey, hey, hey, hey Emily, hey Emily, hey Em-"
Emily: "QUIT GLOPPING ME!"

Olivia: "H-hey, hey, hey E-emily! Pass the J.D.!"
Emily: "You're being totally gloppish tonight."
by MrsDickCuzImNasty June 15, 2009
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