Scary Monsters and Nice Sprites is the eponymous title track of Skrillex's second EP.
The female sample featured several times throughout before the breakdowns is from a cup stacking video uploaded by YouTube user speedstackinggirl titled "7.00!!! OMG!!! NEW PB! OMG!! OMG!!!"
Look at this
I'm a coward too
You don't need to hide, my friend
For I'm just like you