Not much, I don't really look to play up, but some players can get the worst out of me.
I'll quit/fail/troll jobs if folk take the piss, even right at the last second just to rub it in too. Especially those that change heist cuts after showing ready.
I'll seek a return jab at anyone that deliberately takes me out in a race and I fancy being an arsehole back after a longer day. I like a bumpy race at times.
I'll sit on passive mode and follow folks with daft horns sounding off to irritate/help them lose focus on their crap. Flicking the bird/jerk on foot too.
I'll pop the odd car bomb on one of my cars, or NPC tuned cars too, always fun. Just 10 more for the award there too. (Keep forgetting these lil' bits).
I'll pop bounties, muggers, and merc's on folk that are attacking noobs/kids, often leads to them getting a kill against their attacker. Let them 'lol' back.
I'll destroy Hydra's and other toys folk go to collect and I know/see them heading to a spawn spot. Weather intended for me or not.
I'll blow up Lester's car anytime I get pulled into Scope Out and a high rank host wants me to drive. Ain't happening.
I'll use my cargobob to move/hide folks cars on rooftops, though, more an old gen thing TBH.
I'll kick anyone out of my car if they turn my beloved Rebel Radio off. Nope. Steal another car, or bloody walk for all I care, lol.
I'll always drive my own car through choice, beep all you want. I'm off...
I'll race non-contact if I want to. Shhh. (Some get so bitter they can't bump, lol. But they stay and try to race me though. They often can't. Bless).
I'll passive car kill folks abusing passive themselves. They can get cheap kills, so can I. Don't hit and hide, if you can't accept another may be cute too, lol.
Don't really look to fight, but can be a thorn if the moment takes me, or I feel another scored a cheap shot (against me, or others sometimes) and I get a chance at one back. I'm mostly only on passive in public, some freemode events call me out, but I take what comes and I really couldn't care less if another gets 1-up on me, there's more important things to fret over, but again, can get caught up as it is all just a bit of fun IMO. Next job/session, anything could happen, good or bad. That's what keeps me coming back for more, lol. Such a vast game. I dare say there's things I forget now too, lol.