Wiktionary(0.00 / 0 votes)Rate this definition: 1  smudge(Noun) A blemish; a smear. 2  smudge(Noun) Dense smoke, such as that used for fumigation. 3  smudge(Verb) To obscure by blurring; to smear. 4  smudge(Verb) To soil or smear with dirt. 5  smudge.
This smell might mean that your coolant is leaking from somewhere like a radiator or heater hose. This kind of a problem means it's a good idea to take your car into a professional. If you smell maple syrup outside the car, this might mean that you have a leaking radiator cap or that the radiator itself has a leak.
Below we take a look at the most common car leaks and explain what they mean and whether or not youâll die in a fireball before getting to eat your Cold Cut Trio. Coolant (Antifreeze) Coolant (or antifreeze) usually has a greenish color. Sometimes itâs bright orange or pink. But usually itâs green. It has a bit of a sticky, viscous feel to it. Antifreeze is one of the most common leaks on cars. Itâs not a serious leak to have, but you should get it fixed as soon as possible. Coolant regulates the temperature in your engine. Left unchecked, a coolant leak can lead to your engine overheating and your car dying on the side of the road. And let me tell you, thereâs nothing worse than being stranded on the side of the road with an overheated car when itâs 105 degrees outside.