A car (usually import, more recently domestic) which has no performance modifications to it except a high
flow exhaust system that when the driver steps on the
gas, makes a sound like you're farting into a
bucket.
"Pbbbbbbbbbbbbbbbbbbbbbbbwbwbwbwbwbwbwbwbwbwbbb",
said the Honda
Civic"Look at all these high school
kids driving around in their fartbuckets."