Verb:(-ing) when a girl under the age of 18 sleep with a man who is in his mid 20's
bro 1: damn bro that girl is hot
bro 2: man that bitch ain't nothin but a chantz. she's fucking old man charlie.
Example 2: verb.
Ann: what you doing tonight?
Bri: I going to be chantzing later tonight!
Ann: Not at my place bitch!