gant definition
Definition of gant. gant. A male in a long term relationship who consistently engages in sexual activity with females other than his significant other. Note: used to refer to a person. He is such a gant. See more words with the same meaning: to cheat on one's significant other. See more words with the same meaning: to flirt, fraternize, mingle. Last edited on Jun 03 2002. Submitted by coronado g. from Coronado, CA, USA on Jun 03 2002.