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1.
More commonly known as "the sjoerd day" during this day, you get immensely drunk and make out with the first hunter you see, you have to be immensely drunk to do this, repeat you have to be immensely drunk to do this.
OOOHHHHH, dude I totally had a sjoerd day yesterday!
by LOLZYTEHBASTARD February 22, 2012
 
2.
In holland the name sjoerd is used to say that you see a ugly dog
Look there is a sjoerd walking.
...
yes i see it, he is verry sjoerd
by Zwetter September 20, 2013