1 definition by PueFECK

An ancient variation of the modern "silly" with it's origins in second century Macedonia. It is believed to be closely linked with sediment in the form of Silt. Often used by those with a superior vocabulary as a means to demean those foolish enough to believe a spelling mistake was made.
Distinguished Chap: "I say you oaf, stop behaving in such a sillt manner."

Serf: "Derp!"

Distinguished Chap: "HA!"

Serf: "Derp?"

Distinguished Chap: "Look it up you dasypygal, jumentous, napiform, oligophrenial zoophyte"

Serf: "Derp."
by PueFECK August 1, 2010
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