Half-asleep Share definition Flag used as an excuse to make up for trying to not be wrong or lying. Hey bro, you told me the gym closed at 9. It actually closes at 11.Bro, I was half-asleep. Half-asleep by ErnieMac July 15, 2016 0 0 Get merch Get the Half-asleep mug. Buy Now — $32.95 See more merch