play around

Verb

 * 1) To behave in a silly, childish, or irresponsible way.
 * Stop playing around, and get on with your homework.
 * 1) To work with something in a non-serious manner; to tweak or tinker.
 * He was interested in electronics and began playing around with amplifiers.
 * 1)  To engage in sexual practices outside of marriage.

Synonyms

 * fool around