Behave
101mess about/around — behave in a silly way. ↘occupy oneself in a pleasantly desultory way. → mess …
102misconduct oneself — behave in an improper manner. → misconduct …
103monkey about/around — behave in a silly or playful way. → monkey …
104play God — behave as if all powerful. → God …
105play fast and loose — behave irresponsibly or immorally. → play …
106play the game — behave in a fair or honourable way. → game …
107ponce about/around — behave in an affected or ineffectual way. → ponce …
108run amok — behave uncontrollably and disruptively. → amok …
109step out of line — behave inappropriately or disobediently. → step …
110bear one's self — Behave, acquit one s self, conduct one s self, deport one s self, demean one s self …