Fuck I take that bait every fukn time on these threads. There's no concensus it's not an opinion it's fact.
For a slide trick it's fakie Ollie to whatever the trick would be if you regular Ollied in. E.g fakie back tail is a fakie Ollie to regular backslide tailslide even tho it may seem like a switch frontside noseslide, it's not.
With grinds it's the same as always if the ledge is in front of you it's frontside, behind you it's backside. Think of the word fakie literally meaning reverse. So a fakie nosegrind is the same motion as a regular nosegrind but youre going backwards looks like a switch 5-0 but it's not, it's a fakie nosegrind.
Have fun.