Top definition
pe-trom-e-ter
-noun
Any instrument on an automobile or other vehical for indicating the quantity of fuel remaining relative to the total size of the vechical's fuel reserve area.
Wow Kenneth! Look at your petrometer. We are really running low on gas. Let’s just dump the bodies here, and then hit up that party Ladonica told us about when we picked up my fissure ointment at Rite Drug.
by Petro King December 09, 2006
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