Many Trends Happened on SmashBoards. Listed down below, here are a few:
Shaqboards
Salad Gif
Hunger Games Season
OCs
Fanfictions
R34 Bots attack
Great Squid Migration
Conspiracy
Inspirational Sentences
Crashboards
Flame wars
Waifu Lists
Post milestones
Pranking Season
Masahiro Sakurai
Like Squad
Invisible Boatmobile
Social Dead
Thread Titles
Debates
The Bachelor series
The Great Wiki Creation of 2015 (Currently Ongoing)