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A dark shirt which has a complex checked pattern, involving stripes in different colours. It may have pockets.

A monkey shirt often helps one to "get down to business" (sexual relations.) Statistics shows that most women are attracted to men wearing monkey shirts.
Dude, I promise you, the monkey shirt will definitely help you to get down to monkey business.

Nice shirt, that's a really classy monkey shirt!
by HugaN January 24, 2012
a shirt with a lot of shit on it like monkeys or flowers or shit designs
d00d sh3 we4r5 s0 m4ny monkeyshirt its fuking annoying
by JOshIS thE S3x August 19, 2008