hm7 Share definition Flag hit my 7 digits,,,, or call me is basically what it means! It used to be hmu which is hit me up,, but lingo changes so fast!! I'm going to the mall today... hm7 to gwm (get with me). hm7 by brianjr!! November 6, 2010 0 0 Get merch Get the hm7 mug. Buy Now — $32.95 See more merch
