self control sprain Share definition Flag Self control is just like a muscle, and, when overused, it gets strained and doesn't work anymore. I've been studying all week. Now I've got self control sprain. I can't make myself wake up or stop eating cookies! self control sprain by lilgrnfrg May 25, 2012 0 0 Get merch Get the self control sprain mug. Buy Now — $32.95 See more merch