Tahm Kench W Bug
I've been playing Tahm Kench a lot more lately, and I noticed this bug with his W happen about 5-6 times out of 10 games.
If you eat one of your teammates with W and let the timer wait in full to automatically spit them out, it sometimes spits them out a random direction instead of the one you are facing.
Most of the time this occurred when one of my teammates would turret dive to get a kill, then I would W them afterwards to make an easy escape, once the timer went out, I was facing away from the turret and it would shoot them right back into the turret. A few times people thought I was trolling because of this bug.
There's the small possibility they purposely escaped into the turret, but to happen this often in only 10 games I seriously doubt it. That's actually what I thought it was at first, until I queued with a friend for a few games and it happened with us as well at least twice.