When your co-worker is feeling down and you shit on his/her desk to cheer them up.
1. Juan was overcome with sadness, so I offered to give him an upper desker.

2. After giving Cheryl an upper desker, she needed gasoline, a flamethrower, and a therapist to remove the memories.
by Hitokiri_Dan July 19, 2011
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The act of pooping on an upper tier of a multi-tiered desk.
Sheila was being a huge bitch today so I waited until everyone left the office and gave her an upper desker
by Shitstorm15 October 21, 2010
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