When a man ejaculates into his partner's mouth without warning and the angry partner attempts to yell in anger, only to produce the war cry of Chewbacca.
What the hell was that noise? That was my date responding to the Induced Chewbacca I issued!
When a girl is deepthroating you, you pinch her nipples right as you cum. Her scream paired with the warm liquid and dick in her throat will produce a sound similar to chewbacca's growl
Dude, you're girlfriend gives such good head that I gave her a dirtychewbacca!