While there's no set definition for what "gurney" as an insult actually means, it is generally acknowledged to be a bad thing, and in no case, under any circumstance should "gurney" be used in a positive way. The term "gurney" can be used as an adjective or a noun (whichever works for the situation).

(theres also the literal definition: a four-wheeled stretcher for transporting hospital patients from place to place ;a wheeled cart or wagon with canvas sides, used in post offices to route mail.)

A man who messes around with other men, but no one would ever know by looking or talking to him. Used by gay black men to identify masculine gay men or DL Brothas.

When any particular area of your genitals gets a random itch.