Examples from google:

Pour lui, l’enfer commence car une des plus puissantes organisations "antiracistes" a décidé de lui faire sa fête.

Je vais lui faire sa fête et ma truelle aura eu sa ration de sang mensuel (non pas menstruel, mais vous aurez corrigé de vous-même).

Notre garagiste drague ma femme: Parait que les garagistes sont réputés comme les pompiers d'être dragueurs, je vais lui faire sa fête.


Equivalent in English: kick his ass/bitch him out? (!)
Is this acceptable/familiar/slang/offensive? Does it suggest physical violence or just a confrontation?

 

Equivalents in French;
"casser la gueule"
Yes! It does suggest physical violence [Wouldn't you faire la fête à somone if he took your wife/your husband?!]
"Faire sa fête à quelqu'un" is familiar
"Casser la gueule" is slang

 

If you didn't know, more direct wording can be used; donner un coup de pied/poing sur

to kick, punch

 

to do him in, comes to mind. We also have (BE) to deck someone.

 

bash sb in

 

whip somebody's ass.. Although this is perhaps more for competition, but i've hard it may times as meaning as ass kickin' !!

 

To get rid of him, to dispose of him ^^

To beat him down ^^

Lui régler son compte

 

I'm reading a bok by San Antonio called exactly that. Reglez-lui son compte!