Bag meaning : A flexible container made of cloth, paper, plastic, etc. A handbag A suitcase. A schoolbag, especially a backpack. One’s preference. An ugly woman. The cloth-covered pillow used for first, second, and third base. First, second, or third base. (preceded by "the") A breathalyzer, so named because it formerly had a plastic bag over the end to measure a set amount of breath. A collection of objects, disregarding order, but (unlike a set) in which elements may be repeated. A sac in animal bodies, containing some fluid or other substance. A pouch tied behind a man's head to hold the back-hair of a wig; a bag wig. The quantity of game bagged in a hunt. A scrotum. A unit of measure of cement equal to 94 pounds. (chiefly in the plural) A dark circle under the eye, caused by lack of sleep, drug addiction etc. A small envelope that contains drugs, especially narcotics. £1000, a grand. A large number or amount. To put into a bag. To catch or kill, especially when fishing or hunting. To gain possession of something, or to make first claim on something. To furnish or load with a bag. (African American Vernacular) To bring a woman one met on the street with one. (African American Vernacular) To laugh uncontrollably. To criticise sarcastically. To provide with artificial ventilation via a bag valve mask (BVM) resuscitator. To fit with a bag to collect urine. To (cause to) swell or hang down like a full bag. To hang like an empty bag. To drop away from the correct course. To swell with arrogance. To become pregnant.