's ult, walks toward or directly away from her with no chance of damaging her.
is ready to eat an enemy but an ally steps in front of him.
's enchanted arrow, 
rockets).
.Help me expand this list, fellow LoLLers!
I'm not pro by a long shot, but today in a particularly exciting Poro King match I accidentally bought two pairs of boots. Almost got away with it the next time I died, but JUST THEN enemy team member says in /all: HEY AHRI Y DOUBLE BOOTS LOOOOOOL!!!
(´๑•_•๑)
Oh man. Last night, Riot ThEntropist and I were playing a duo game. I was Tahm and he was Lee. I had 3 stacks on the enemy Morg and he has his Q on her. He Q'd in, I flashed in, and I ate him instead. Woops.
RIP Promos
Also, every time I mess up a wall on Anivia and wall my teammates in/out
Trying to 1v1 a 
when you're not fed.
Not let supports use up their 
stacks after laning phase.
The support obviously trying to get canon minion low enough to execute, ally scumbag Lulu pops in and machine-guns the whole wave, then walks off leaving the support with jack-shit. Even saw it several times at Worlds this year.
1v1ing a post 6 
This is from my experience. Someone tried to 1v1 me and I was Malzahar... I think you know how that went. Its hilarious how much 1v1 strength he has post 6.
Attempting to kill 
TAKING THE GODDAMN SNOWBALL JUST BECAUSE YOU FUCKING HIT SOMEONE WITH IT
Chase 
.
Missing the bush
Stay to bait with next to no HP and then get killed by a random AoE effect. Seriously, I really fail to understand those baits when you have 100HP left. At that point, a high five will kill you. Just go back.
a squishy trying to 1vs1 a low health 
Buying boots on 
...
He has a fucking helicopter he doesn't need boots.
Also 
and 
who all float/fly in some way.
Totally whiff the 
ult
Fail 
Miss 
Hook
Even the best junglers miss smite from time to time
trying to full combo 
in a teamfight over baron
Try to win a 2 vs 1 against a feed 
after he got 
Well, I tend to sometimes blow my ult trying to use my trinket to ward bushes. So I wonder why I hear a loud CLANG and before I know it I'm in the enemy team's base...
I think improper use if Bard's ult should top of rhe list.
I'm occasionally guilty of failing to flash walls.
For the pros, I want to see what happens when Poppy's new hammer enters the fray in LCS.
Number one has to be fail flashing.
Everyone face plants.
Every.
One.
