birthday suit

from WordNet (r) 3.0 (2006)

birthday suit
    n 1: informal terms for nakedness; "in the raw"; "in the
         altogether"; "in his birthday suit" [syn: {raw},
         {altogether}, {birthday suit}]

from Moby Thesaurus II by Grady Ward, 1.0

19 Moby Thesaurus words for "birthday suit":
      bareness, decollete, ecdysiast, gymnosophist, gymnosophy,
      nakedness, naturism, naturist, not a stitch, nudism, nudist,
      nudity, state of nature, stripper, stripteaser, the altogether,
      the nude, the raw, toplessness

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