Here's mine:
Top: 
Jungle: 
Mid: AP 
Adc:
Support: 
Here's a scenario where an adc is playing against this comp:
: Ohh look at that huge wave bot, imma go farm it.
( blood hunts her)
: ?
( Ults her)
: o_o
( also ults her)
: DARKNESS
( then charges in with his ult)
: CHAAAAARGE
And finally...
: Oh hello!
"You have been slain"
: [all] gg report my support
EndlessSorcerer2 votes
They were a 5-man Diamond premade on comms practicing for a tournament.
We were all solo players within Silver, Gold and Platinum.
It was a goddamn slaughter.
Llavan2 votes
I call this comp "Silence", the enemy team can't even use abilities half the time.
SaltLord4512 votesMao should have been Garen cuz he has a silence.
Llavan1 votesI knew I was forgetting someone.
EarthyMadness2 votes
I call this comp "Silence", the enemy team can't even use abilities half the time.
Top lane cho'gath and adc garen, heard you like silences
FOR JUSTICE1 votes
"report the support for not helping the 1v5 ace I just got"
lol
Elkington1 votesAs someone that primarily still plays immobile melees, any comp that's super mobile and/or full of %hp damage dealers. It's almost physically painful to deal with.
SaltLord4511 votesHere's the "Toxic Tryhard" comp
ssfxd1 votesTop:
Jungle:
Mid:
Support:
Bot:
Partybringer1 votesTop 
Jungle
Mid
Adc
Support 
PopcornBunni1 votes + 4 other champions