A fork of Rural Dictionary
When you lose a boner in an awkward situation, then it rises in your pants again, randomly, like a phoenix.
"I thought i avoided that boner during my speech, but I got a penix during the last part."
A surname (last name). In the United States there are two families named Penix and there is some speculation that the two may actually be a single family. The strongest argument against that is the fact that there are two distinct races represented. Microsoft will suspend an Xbox Live gamertag with the name Penix in it as 'inappropriate', although they are happy to charge credit cards which bear the same name.
Scandalized Teacher During Roll Call First Day of School: "I'm sorry, how do you pronounce your last name?" Unimpressed Student Who Has Dealt With This Crap Their Entire Life: "Penix. Like penis, but with a hard 'X' at the end."
An object that unintentionally looks like a penis.
Ex1: Ayo. Look at that Penix! Ex2: What the hell is that a Penis? Nahhh, its a Penix. Ex3: Boy: Baby, look at my Penis. Girl: Pshhttt! That's a Penix i'm outta here. Ex4: Bubby, Manfrika, Huliaan and Subba all are unworthy of having a penis therefore they have a Penix.