An epidemic of fear and paranoia in reference to an episode of The Twilight Zone of the same name. The episode is about a hypothetical alien invasion.
The host of Pod Save America used the expression in reference to a Chinese spy balloon and the hysterics that followed.
"The Chinese send a balloon over here and we all go crazy! It’s a real Monsters Are Due On Maple Street vibe."
A female who is so visually scary and disgusting
Bruh did u see jaydn. Yeah bro she a motherfucking mookie monster
Someone who is being rude and a monster.
"Chloe's being such a rude monster rn..."
And apt description of having disproportionately sized testicles in relation to having a smaller penis. Thus, creating the imagery of a small cab on giant wheels much like a monster truck
Bill was wary of wearing his speedo out, for he was perpetually monster truckin' with his inappropriately low bulge.
Someone who is trying to give you aids
Yo I'm getting chased by a aid monster
when you stick your finger (middle is best) as deep as possible to the bottom of your bellybutton, rim out all the perspiration/fabric lint, then wipe behind each ear
When I asked her what she found most irresistible about me, she said it was my monster cologne.