A combination of a jumper and a shirt made by sewing just the neck area and collar of the shirt into a v-neck jumper. Traditionally worn by people of a lazy persuasion who would otherwise be demonstrably adverse to ironing.
"You're looking significantly smarter than usual, it really looks like you've made an effort Patrick." "That'll be my new jirt."
by rudeness1980 November 22, 2011
 Get the Jirtmug.
Get the Jirtmug. A tee shirt that is made to look like a professional sports teams uniform. This retains the classiness of the original uniform, but at a much more reasonable price.
by ewmiller4 June 13, 2008
 Get the Jirtmug.
Get the Jirtmug. by Jenna Cool June 15, 2006
 Get the jirtmug.
Get the jirtmug. Its a shirt, but made of the same material as jeans are made of. If you get one you will be the most popular person. On sale for $3000 RIGHT NOW!!!!
by black nike court vision mid March 14, 2022
 Get the jirtmug.
Get the jirtmug. An insult used towards the Amish community. Debatable if it is considered a slur. Can be used affectionately.
by Tackie Kennedy October 21, 2025
 Get the Jirtmug.
Get the Jirtmug. 