Earworm in action

Went for a walk today on a nearby walking/biking path. Heard a mother pushing a jogging stroller chanting to her toddler, "We're gonna go home soo--oon! We're gonna go home soo--oon." She passed another family, and suddenly their boy was echoing, "We're gonna go home soo-oon!"

Moments later, my son was doing the same. "We're gonna go home soo--oon!"