look up any word, like jamflex:
 
1.
Someone who is incompetent with no clue on what they are doing, half-assed. Usually in the motor trade, yet lacks severly in quality.
That bloke is a yarda, he can't even start the car.
The guy who worked on my car is such a yarda.
by Robbarelli September 25, 2007
 
2.
Good strong brownish Jamaican weed, sub culturally popular on the east coast from New York to Florida.
Dread has some good/fire yardas for sale !
by Groovy Lou212 January 22, 2011