Acting out and Fall down

Acting out noun - A (usually irritating) impulsive and uncontrollable outburst by a problem child or a neurotic adult.

Fall down and acting out are semantically related. In some cases you can use "Fall down" instead a verb "Acting out".

Fall down verb - Lose an upright position suddenly.

Acting out and fall down are semantically related. Sometimes you can use "Acting out" instead a verb "Fall down".