Pretty weak, frail and/or "soft". Not necessarily soft in terms of texture but meant as a measure of strength.
That dude puked after one shot, that's two-ply.

That dude at half a plate at the buffet, that's two-ply.

That dude threw up, rallied and saved those puppies from a fire, that's a little better than two-ply.
by tehsnakecharmer July 12, 2017
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When a girl pisses and shits and two cucholds lick her clean.
by Eidolor January 03, 2017
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