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2.
A clothing company based in Orlando, Florida, that uses an erect Penis as its logo.
Wow, sweet shirt! Did that come from Happenis?
Yep.
by CelticsFan69 August 14, 2008
 
1.
Happenis (pronounced Happiness) is the erection of a penis. Men are typically not held accountable for their actions as this condition usually leads them into relationships that otherwise they would avoid.
“What is happenis? I have a hard on… then yes - this must be love”.
 
3.
When you have a very happy penis.
“what happened to my penis, it was so happy. Im no longer experiencing happenis."
by Verlaine Stain June 27, 2014