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 TWIDDLE n. 1. tilde (ASCII 176 [octal], "~"). Also called
       "squiggle", "sqiggle" (sic--pronounced
       "skig'gul"), and "twaddle", but twiddle is by far
       the most common term. 2. A small and insignificant change to a
       program. Usually fixes one bug and generates several new ones. 3. v.
       To change something in a small way. Bits, for example, are often
       twiddled. Twiddling a switch or knob implies much less sense of
       purpose than toggling or tweaking it; see FROBNICATE.