dirk

noun

1. A long Scottish dagger with a straight blade.

   “The Claymore is worn on the left side, the dirk on the right, and the Skean Dhu in the stocking […]”

2. A ceremonial dagger worn by naval or air force officers in some nations' militaries; formerly, a fighting dagger used by sailors as a boarding weapon.

   “In half a minute he had reached the port scuppers, and picked, out of a coil of rope, a long knife, or rather a short dirk, discolored to the hilt with blood.”

   “In this kit was the ‘Officer of the Watch’ telescope from Dolland and Sons, presented to me by my godmother, Inman's Nautical Tables, a parallel ruler, and, of course, a dirk.”

3. (Midwestern-US, dated, slang)A penis.

   “The word dick itself serves as model for two variants which are probably Midwestern, dirk and dork, also meaning "penis"...”

4. (Midwestern-US, dated, slang)A socially unacceptable person; an oddball.

   “Near-synonym: dork”

   “...on at least one Midwestern campus a dirk may be an "oddball" student, while a prick (more common) is of course an offensive one.”

verb

1. To stab with a dirk.

   “Roland Graeme has dirked Adam Woodstock — that is all.” ¶ “Good Heaven!” said the Lady, turning pale as ashes, “is the man slain?””

   “For these offenses, I was informed privately, by a worthy English settler, who had been like me seduced by Mr. Birkbeck, they had hired a man to dirk me for ten dollars, the usual price of blood in this country, as Mr. Chichester says.”

2. (obsolete)To darken.

   “Thy wast bignes but combers the grownd, / And dirks the beauty of my blossomes rownd.”

name

1. A male given name from German or Dutch, equivalent to English Derek.
2. A surname transferred from the given name.