1. in. to experience an orgasm. (There is no other single word for this meaning. Usually objectionable.) God, I thought she’d never cum.
2. n. semen. (Usually objectionable.) Do you think cum is alive?
1. n. semen; come. (Usually objectionable. See other related senses at come.) I would never say “cum” to a doctor or nurse!
2. in. to experience orgasm; to ejaculate. I think I’m going to cum!
3. and cume (kjum) n. a cumulative average, such as a grade-point average. My cume is not high enough to get into law school.