Horse around
Definition 1 of 2
Pro Tip 1/3Playful Behavior
Used to describe light-hearted, playful actions, often without any bad intentions. 
During the picnic, the adults let loose and horsed around with the kids.
Pro Tip 2/3Casual Settings
Typically used in informal situations among friends or family. 
It's okay to horse around at the family reunion, just be careful.
Pro Tip 3/3Not for Serious Moments
Avoid using it in serious or formal situations, as it may be seen as disrespectful. 
This meeting is crucial, so no horsing around until we're done.