n. a mean and wretched person; a worthless male. (Collegiate. An elaboration of scum, less crude than scumbag. Also a rude term of address.) Get your hands off me, you pond scum!
1. n. a totally worthless and disgusting person. (Rude and derogatory.) You scum! Get out of here!
2. n. low-life in general; disgusting and worthless people. (Rude and derogatory.) Fourth Street is where all the scum in town hangs out.
3. n. semen; seminal fluid. (Usually objectionable.) You’d better clean up the scum from the backseat before you take the car home.