Definition & Meaning of "with one's dick in one's hand"in English

What is the origin of the term "with one's dick in one's hand" and how is it used?

"With one's dick in one's hand" is a vulgar English idiom that emerged in the late 20th century, using a literal sexual image to convey helplessness or vulnerability. The metaphor suggests being caught in a compromising or inactive position, emphasizing unpreparedness, idleness, or powerlessness. It is mainly used in informal speech, often in storytelling, comedy, or casual criticism to highlight someone being caught off guard. The expression is crude and offensive, relying on shock value, and is context-dependent—humorous among peers but inappropriate in formal or polite settings.