Useless and unnecessary conversation attempted to fill the silence in an awkward situation. Commonly backfires into feelings of loneliness and social discomfort. Usually is intiated by comments regarding the current weather, weather pattern of the past/future few days or major weather disturbances in the recent past.
Gas Man: Nice weather, if you're a duck.
Noid: uh, You over pumped.
Gas Man: So I did, I'll only charge you what you asked for.
C: Your small talk just cost you $1.37.
Noid: Drive On