Disappointment in love, a rupture (Gypsy) ; the cuckoo, according to Dr. Johnson, is the symbol of faithlessness. Related DreamsCuckoo Clock The cuckoo bird insinuates the timing is of no common senseCuckoo 1. Someone who is a stranger is trying to sneak into your life. 2. Something undesirable has entered one’s emotional life, and is not about to go away.