A Moll was a girlfriend or woman companion so im guessing a slack moll would be a slack girlfriend/woman companion, probably sexist saying the woman was not doing the job properly or meeting the man's expectations.
Slack as in "lacking firmness" is an adjective. Slack as in the action "to slack" is a verb. Slack is also used as a noun to describe a part of a rope or a bog. A verb is a word that describes either an action (walk, run, etc), an occurrence (become, happen, etc) or state of being (stand, exist, etc).
Yes.
-to release the pressure or tension on something. e.g. You're gonna slack up on that rope, u tied the girl with, right now!
Loose or slack; not tense It is from Old and Middle English
It's a topographical surname from England, meaning "shallow valley."
Randy Moll's birth name is Moll, Randall.
Biel Moll's birth name is Gabriel Moll Blanes.
Natasha Moll's birth name is Natasha Moll Padrn.
Richard Moll's birth name is Charles Richard Moll.
Roberto Moll's birth name is Roberto Moll Crdenas.
Moll's Mobil was created in 1967.
Moll Davis died in 1708.
Herman Moll died in 1732.
Moll Flanders was created in 1975.
Guy Moll was born in 1910.
Guy Moll died in 1934.
Toby Moll died in 1916.