pop a chub 

pop a chub means to have an erection or get a boner

Doran popped a chub while grindin all up on dat bitch.
Aww shit son lookin at yo bitch makes me pop a chub like none other.
Will's mom made me pop the biggest chub ever.
Jarid is well known for poppin the biggest chubs ever

pop a chub by Jarid September 4, 2006

pop a chubby 

the act of getting an erection.

that dude popped a chubby right in the middle of class!

pop a chubby by ricky January 18, 2004

Popachubaphobia 

The intense fear of popping an unwanted chub. Commonly found in inexperienced males and is often linked and preemptive to premature ejaculation.

:Next's song "Too Close". "Oh, you're dancing real close.
Cuz it's real, real slow, You're making it hard for me."

Bryan: Hey are you sure Tyler doesn't care that I'm dancing with you?
Kacey: Yeah he knows we're just friends.
Bryan: Nice this my song (Next-Too close comes on)
Kacey: What the fuck is that???
Bryan: I have a condition, why do you have to be such a fucking bitch?
Kacey: (thinks to herself) Hmm he must have popachubaphobia.

Popachubaphobia by CrippleCrew November 2, 2009