A game in which women slap their tits at each other
Hey Julie want to play a game of slappy knockers
by Cletus junker September 15, 2017
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When someone is depressingly horny to the point of the exhaustion.

One may experience one or more of the following:
Obsession/fixation with one's own right hand
Frequent masturbation (~5-10 times a day)
Loss of appetite

Uneven arm strength
Shakiness when speaking to women
"Yo that dude hasn't gotten play in months, he must have Slappy Syndrome"
by Ilove11 February 7, 2023
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Person(s), usually male, who have slaptastic attributes. They slap around in the most slapful way, a way that only a true Slappy could slap. Their natural habitats include wooded areas & various squatting zones. Slappy’s are the most Slapping slappers of all humanity. To have encountered a Slappy makes you immediately blessed and cursed with the loyalty of a slappy.

(WARNING: DO NOT APPROACH A SLAPPY WHILE THEY ARE HIBERNATING IN A VEHICLE / WHEN THEY ARE SMOKING EARTHY SUBSTANCES)
I.e. “slappy broke the (_____) again”
Or
Slappy slapped around hard last night, he kicked his sister off the porch while yelling ‘THIS IS SPARTA”

Common slappy phrases: “uh” “yuoh” “is that a snock!”
by Billzer duh Killzer October 30, 2018
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Someone who cheers for a team when they have no reason or affiliation to the team whatsoever.
Dude, I'm the Cowboys biggest fan!
I thought you were from North Carolina?!
I am.
You're a slappy!
by Savage3OO6 January 24, 2023
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Another way of calling someone a dummy without being so blunt or without them catching on. Comes from "Slappy the Dummy" a ventriloquist dummy from the series goosebumps.
"Listen slappy, no one asked you for your opinion so why don't you fuck off?"
by dasquidkid January 20, 2020
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