Often preceded by a drawn-out "Awww."
Frequently confirmed by a singular repetition from the other person.
Person 2: Awwww... nyuh nyuh nyuh!!!
Person 1: Nyuh.
Most effective when done in conjunction while:
A. pushing the lower lip out from the bottom teeth with the tongue.
B. holding a hand out in front of oneself as though supporting a long and well girthed penis.
Originated from Indian Hills, West Riverside, CA