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2 definitions by skryblz

 
1.
To screw up.
Greg tried to make dinner but he totally junked (it) up and burnt everything.

Dan junked up his elbow and shoulder learning to snowboard.

ayon kay skryblz ika-25 ng Marso, 2009
 
2.
The acknowledgment of someone's failing to perform any given act, usually a mundane one.
Shae's attempt to provide an example for this word resulted in failsmanship because he junked it up so bad.
ayon kay skryblz ika-25 ng Marso, 2009