On contrary to other common beliefs, a "dirk" is one who is annoying on a constant basis. However, "one-time" or "in the moment" dirks are those with the same traits but only for a short period of time. "Dirks" may also be marked as such due to a faulty, stupid, or inaccurate remark, and any other characteristic pertaining to obnoxious behavior.
"Fuckin' griffin, what a dirk."
"Don't be a dirk. Come on man, use a condom.