1.
wandering around aimlessly, loitering restlessly
A mimetic word describing someone moving about in an aimless, annoying, or restless manner. Often implies the movement is distracting or unwelcome.
うろちょろするな。
Stop wandering around.
うろちょろ is a mimetic word (onomatopoeia) that describes aimless, restless movement. It typically carries a negative connotation—the wandering is seen as annoying or distracting.