look up any word, like half chub:
 
1.
Jail guard, cop, security guard, etc.
Someone with power over you in a controlled surroundings
Keep an eye on the blue shirt while I do this....
by Damanite February 05, 2010
 
2.
when you lose your virginity or just has sex and you can't say it out loud you say you wore a "blue shirt"
Man, I finally wore a blue shirt last night!

CONGRATULATIONS!
by leslieeladybug April 19, 2010
 
3.
an extremely hot guy with a nice body
laura, check out that blue shirt at the subway station.
by emily March 08, 2004
 
4.
A huge spokkerjones that will never know the embrace of a woman
done be a blue shirt you faggot
by Exorcism Tongs September 10, 2005