dick

(British slang) Nothing at all, typically used in the phrase 'dick all'.

"He did dick all today."

To waste time or behave foolishly, often used with 'around' or 'about'.

"Stop dicking around!"

A contemptible, foolish, or unpleasant person; an idiot.

"Don't be such a dick."

A vulgar, informal term for the male sexual organ.

"He drew a dick on the wall."