"I have a Soldier, a Siren, two Scooters, and a Claptrap" is a red text modifier on weapons in Borderlands 2
Found on the following red text weapon: Cutting Edge Commerce, (or any other version of the Commerce SMG) which drops from Assassin Wot from Southpaw Steam & Power (or possibly the other three assassins too)
Grants Weapon Effects
Increased reload speed
Larger projectiles