Messing around, fucking around, goofing around, not doing what you're supposed to be doing, fartin' around, aimless wander

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

Taking your penis out five minutes into Netflix!

Talking while doodling