Masochistic Motown Lyrics

Lyric discussion by Thegreatnick 

Cover art for Masochistic Motown lyrics by Zen Baseballbat

I think this song is saying how this girl got dumped, wants the boyfriend back. It then goes on to list the ways he was a bad boyfriend, e.g. "He gets porn at his fingertips, but snubs her new knickers. She's gone from mouse to blonde, but he never notices." I'm not sure what snub means but I'm assuming it's ignoring them.