Definition of carbs:
(n) :
(drugs) The hole on a pipe which is covered and opened to control the inflow of air.
(n) :
(informal, usually in the plural) Clipping of carbohydrate [(organic chemistry, nutrition) A sugar, starch, or cellulose that is a food source of energy for an animal or plant.]
(n) :
(informal) Clipping of carburetor or carburettor. [(US, Canada) A device in an internal combustion engine where fuel is vaporized and mixed with air prior to ignition.]
(n) :
Acronym of California Air Resources Board.