On The Dash Edit Meaning

1.

The other definition is false. On the dash does refer to the dashboard of a car, specifically the gauge panel. The number refers to the highest speed on the speedometer.

The Boss - Rick Ross

I've got a Chevy with a 454 in the hood and it's got 125 on the dash.

(Most classic muscle cars displayed a top speed of 125 on the speedometer.)

T.I. - Big Things Poppin'

Think I won’t pull up in something with 200 on the dash.

(High-end supercars, particularly of Italian origin, commonly have the top speed of 200 on the speedometer.)

See rap, cars, italian, chevy, top speed, lyrics

2.

refers to the dashboard of a car; an associated number indicates the total amount paid for a vehicle including any modifications made (e.g. the price of the car, rims, stereo, engine upgrade, etc.)

think i wont pull up in somethin' with 200 on the dash....

i've got 125 on the dash...

both instances used so as to say, my car is worth, for example, $200,000 or $125,000 respectively

See dash, cars, whips, dashboard, price, shining