Top definition
To take one of those really hard fast and sometimes (unfortunately) dry dumps. The only bonus to knocking a shard off is they leave the shute clean. One wipe and you are diddly done!
I sat down hoping to post a stump and ended up knocking a shard off.

Sometimes my girlfriend will run out of the room because she has to knock a shard off.
by projectmatter July 14, 2009
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