Elated to the point of slapping one's grandma. Slightly happier than slap happy, but not as happy as slaphappiest while in a state of stupor or suffering from a lack of sleep.
I couldn't be slaphappier to make your acquaintance, although I don't expect to recall it later.
by Ranger Wordsmith March 19, 2015
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due to extreme tiredness one becomes giddy with uncontrollable laughter, also described as naturally high
Jenkins:"Hey Bob! guess what?"
Bob: "What?"
Jenkins:"Fruit Loops!"
Bob:ahahahahahahaha!*laughs uncontrollably*
Jenkins:"Dude you're so slaphappy"
by sami and syd July 2, 2006
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1) When someone slaps the hell out of a hooker.
2) Uncontrollable masturbation.
3) Easy to anger.
1) He got slaphappy with Amber.
2) Dude, you gotta stop being so slaphappy. I need to use the bathroom.
3) Don't piss of John. He's slaphappy today.
by TheJEnigma March 24, 2004
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Something truly awesome! When something happens that is out of the ordinary and amazing.
by Jeff Geraisun October 21, 2017
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A term made up by the 'Diary of a Wimpy Kid' used asa 'Your Mom' joke.
Substitute teacher: Greg, can you answer this problem?
Greg: Your Mama!
Subsitute tecaher: Excuse Me?
Greg: Your Big Fanny Granny!
Subsititute Teacher: Well I hardly think that's -
Greg: Your Slaphappy Grandpappy!
by middle_school_'lOsEr' December 31, 2010
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One who frequently masterbates
"Anyone seen john?" "Who? Captain Slaphappy?; probably off doing the deed"
by winterkyles January 4, 2013
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