wimp /ˈwɪmp/
  wimp
       n 1: a person who lacks confidence, is irresolute and wishy-washy
            [syn: chicken, crybaby]
       2: a hypothetical subatomic particle of large mass that
          interacts weakly with ordinary matter through gravitation;
          postulated as a constituent of the dark matter of the
          universe [syn: weakly interacting massive particle]