(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Flavor of the month bullshit
Dodge after not getting a trade
Repeatedly stepping on Teemo/Shaco traps
Game goes on for too long (30+ minutes)
Extremely fed assassin
(thx, ARAM balance)
Damage build on team's only tank
Backdoor / Nexus rush
Terrible score on a carry champion
Someone got their main
No counterbuilding
2+ enchanters (why)
Blitzcrank (/playing around one champion)
First blood before minions spawn
Actively refusing to win the game (throwing)
Someone dies on cooldown
Builds armor(/MR) into full AP(/AD) team
Awful rune picks
KDA players who refuse to die (who ping their 4k+ gold)