That person who's always tired because they masturbate in the middle of the night when most people are sleeping.
Synonymous with "Wankula".
"hey dude, why's James always so tired?"
"He's a whackula"
by Dr. J. Definition February 6, 2018
Get the Whackula mug.
Outrageous; usually a person expecting unrealistic results, or a situation where something highly unusual occurs
Punk: "The nurse asked me to pull down my pants and cough while she placed a cold metal spoon under my testicles"

Friend: "That's Whackula"
by Uncle Max September 18, 2006
Get the Whackula mug.