Hidden passive OP!
You can't milk these!: Alistar players have a 1/10 chance of messing up their W/Q combo. This doubles for every elo below Diamond.
Mundo go where Mundo pleases!: Mundo players can't help it, they must roam or they grow bored quickly.
Draven!: It's not Draven, it's Draaaaven!
It's time to feed.: Flip a coin, if heads you will become insanely fed, if tails you will feed all game and be reported for trolling.
I'm helping!: Jarven players have a 1/10 chance of getting a team mate killed with their ult.
Can't touch this!: Kalista players below plat are convinced they can actually kite.
Pentakill!: Kat players have a 1/50 chance of freaking out and hitting buttons at random and getting a pentakill. This passive is only usable in soloqueue and chances drop as rank climbs.
I am the wind!: Kennen players think he is still relevant.
Insec: Lee Sin players think they can pull of big plays.
Wuju like to fight?: E actually causes all forms of damage this champion deals to become true damage that automatically crits on all hits.
Demacia!: 1/5 chance of ulting out of no where while shouting "Demacia!" and mysteriously getting a kill.
NunuBot: Glitch causes spam laugh that lasts entire game.
This is!: 1/3 chance of shouting whilst getting a kill, often will shout, "Sparta!"
... : Passive causes Poppy players to think she is actually good and not broken.
Box Box: Gains 10% CDR per minute for the first ten minutes, maxing out at 100% CDR. Deals double damage to any player affected by CC.
Global taunt: All players are infuriated by Teemo's presence. 50% chance of agro on Teemo sighting, chances double if Teemo laughs.
Gosu: Vayne players become convinced they can pull off pro plays. Hilarity ensues.
You will remember!: We all remember Yorick Mori, we aren't sure why, but we remember.
The unseen blade: Ult makes Zed invulnerable for the next ten seconds, death mark deals damage equal to 100%/ 150%/ 200% of targets max health as true damage.
Post a hidden passive!
Make it funny, make it silly, make it stupid.
Just don't make it salty, we don't need no pretzels around here!
99% chance of inexplicably escaping any situation with 10 hp left after a long chase spanning half the map
75% chance he will never be poked out of lane and will only go back after he kills you to buy.
Try and kill me: 75% chance players will die completely ignoring the rest of your team to kill your blobs upon death.
Your grades improve in Geometry and nobody can explain why.