Little Big Trouble is one of Gaige's Skill Trees in Borderlands 2.
Mechromancer
More Pep
Myelin
Shock Storm
The Stare
Strength of Five Gorillas
Electrical Burn
Shock and "AAAGGGHHH!"
Evil Enchantress
One Two Boom
Wires Don't Talk
Interspersed Outburst
Make it Sparkle