Bag  —n. 1 soft open-topped receptacle. 2 a piece of luggage. B woman's handbag. 3 (in pl.; usu. Foll. By of) colloq. Large amount (bags of time). 4 slang derog. Woman. 5 animal's sac. 6 amount of game shot by one person. 7 (usu. In pl.) Baggy skin under the eyes. 8 slang particular interest (folk music is not my bag). —v. (-gg-) 1 colloq. A secure (bagged the best seat). B (often in phr. Bags i) colloq. Claim as being the first (bags i go next). 2 put in a bag. 3 (cause to) hang loosely; bulge.  in the bag colloq. Achieved, secured.  bagful n. (pl. -s). [origin unknown]