It is as well sometimes used preceding a term indicated, especially in more formal (e.g., legal) usage. In these contexts, usually used in the positive to reinforce a characterisation as fundamentally being the case (i.e., 'per se' accurate).
"Sexual advances toward a minor are without exception per se illegal in this state. This is not open to question or challenge."
Persing out can refer to the following things: Sleeping on the game, taking a brief nap, getting sick, not going out, not responding, and more pers-ituations.
We also use the term being perse. Perse can be used for the following situations: something personal, something of your own possesion, something you don't want to talk about, something that isn't 'chill'.
Just goin to Rusko, back stage, on the perse.