Definition of dirking:
(n) :
A long Scottish dagger with a straight blade.
(n) :
(nautical) 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.
(v) :
To stab with a dirk.
(n) :
(Midwestern US, dated, slang) A penis.
(n) :
(Midwestern US, dated, slang) A socially unacceptable person; an oddball.
(v) :
(obsolete) To darken.