Chicken slays the most considering it's the most varied one - fried chicken, chicken sandwiches, chicken nuggets, baked chicken, grilled chicken, chicken nachos, chicken pizza, etc.
Chicken>Burgers>Pizza (used to slay me, but free pizza all the time at my university sort of ruins it)> Tacos (most of the time they don't taste that good)
Those are the only thing I dislike. 
They have the worse chicken. 