There are already some references in League, like
Shaken, not stirred
Old 
Winter is coming
Final Boss Veigar has like 20 of these references.
But I thought it would be fun if we could implement some of our own references.
Praise the sun!
and I'm all out of ideas already. Good job, me
"Perhaps... We can reach a compromise. You still have something I want."
: My Body is Iron.
: Maybe it's time I stop living in the Shadows.
Fighting without hope is no way to live, it's just a way to die.
: I'll show you how lightning strikes!
aeiou aeiou john madden aeiou
do you wanna have a bad time?
he has skin in his new base splash 
"Judge me by my size so you?"
"What are we gonna blow up next Mistah J"
"I'm so depressed"
"That's not a knife, THIS is a knife"
"Prepare for glory!"
"Soups on, baby."
