When a
person or persons masturbates at the window of car in which a sex act is taking place. Normally at a dogging site.
Said person
will then spuff on the window, after which he
will return home to his wife and children.
Seaguller: "
Erm, excuse me, you there. Are you
Dogging?
Doggers: "Yes!"
Seaguller: "mind if i seagull?"
Dogger: "Not at all, spuff away"