Definition of cosmic. 1  1a : of or relating to the cosmos, the extraterrestrial vastness, or the universe in contrast to the earth alone cosmic radiationb : of, relating to, or concerned with abstract spiritual or metaphysical (see metaphysical 2) ideas cosmic wisdom.
A young woman blushing and covering her face. Blushing is the reddening of a person's face due to psychological reasons. It is normally involuntary and triggered by emotional stress, such as that associated with embarrassment, anger, or romantic stimulation.
Thus, blushing is a sign of deep emotional rumblings. If the person you like sends you the blushing smiley face, you can be sure that you have made them feel good on a physiological level. You are thus about three steps away from making out with this person. (One: invite them over. Two: open the door to your house.