Assault Rifles
Boosters
Laggers
Getting paired up with people 10+ highest skill than you.
Win five games in a row, go up 1 skill, lose one game and go back down a skill.
Nade Spammers
Boosters
People who think they're funny and original for changing their clan emblem to look like yours.
Boosters
People who veto BRs, the map doesn't change and they use Assault rifles, needlers etc.