A shirt of any kind that has a food stain on the front side. Typically on the chest area.
Everyone at Wal-Mart was wearing their tweety bird breakfast shirt!!
A dude's button up shirt commonly put on by a girl when she wakes up the morning after
Damn she looks even hotter in the morning after shirt than she did last night.
A man named Gustavo who lives in Houston, Texas and likes to dance with all his friends
“Hey blue shirt man, how do you fit into a car god damn!!”
Although a rational man such as Phill is unlikely to fall for superstitions, his dedication to BL5 and the effort that he has put into improving it might cause an anomaly to occur. This anomaly might cause unreasonable amount of downtimes and seemingly impossible situations where there can only be one possible reason... Someone has the Hawaiian shirt on.
Carlos: Wears the Hawaiian shirt to the office once.
Phil: Knows that the line will break down and tells Carlos
Line actually breaks down and Carlos learns the lesson of the Hawaiian Shirt Anomaly.
T-Shirts sold at a Vagina Monologues event.
Sleeping person: What is that ruckus outside? There aren't enough gays for it to be a marriage march, not enough pink for breast cancer support?
Friend texting back: Are there a lot of V-shirts? It could be a vagina monologues march.
Basically any shirt a man owns that he wouldn't go on a date in. A t-shirt used for sleeping, going to the liquor store, or hanging around the house in.
"Hey that Laker game is on right now, wanna head to the pub"?
"Nah, my lady has me doing house chores, and I'm still in my trash shirt form yesterday".
And/or
"the doorbell. Hand me that trash shirt.
A passedout drunk gets his/her chest and stromach area covered with a sharpie or other permanant marker.
"Is that a black under-shirt?"
"No, it's a Sharpie Shirt."
"You're fired."