A juvi mom is a mother of juvenile deliquent. she will visit her "darling" deliquent child every evening/weekend at the detention center. She usually takes the city bus/cab/walk or drive a "bucket". She most likely lives in the inner city or a working class suburban neighborhood. Usually dresses like a teenager (she's in her 30-40's) wears body piecing and tattoos,high heels she can be argumentive with detention staff,probation officers,attorneys,police officers ect. Some juvi moms try to be their childrens friends then their mothers, there's no boundaries.
"you should've seen that Juvi mom at juvenile court the other day she wearing a low cut shirt and a mini skirt up to her crotch."