Used to refer to a day in which you are having a bad temper or are in a bad mood.
Origin: A person, that shall remain un-named, had a friend spit chocolate on their new pants and got really upset, started yelling and ate her friends. Every time someone is in a bad mood and having a short temper they are known to be in a "chocolate pants mood" or having a "chocolate pants moment"
"Wow biotch, you are having quite the chocolate pants day."
"Don't talk to me right now, I'm having a chocolate pants day."
"Vives, you're having another chocolate pants moment aren't you?"
Pooping in your underwear. Soiling yourself. Having Poop in your pants. Usually occurring in children and those who are not potty trained.
Kevin: What the hell is that smell?
Nancy: Smells like someone crapped themselves
Uriah: Yeah no shit. Probably Tom!
Tom: Hell no! its that retard Eric!
Eric: Uh...anyone got a clean set of drawers?
Kevin, Nancy, Uriah and Tom to Eric: Chocolate pants, chocolate pants, can't get a ticket to the retard dance.