1. being tremendously cute and loveable
2. an implied meaning, relating to something you should already know

sounds like: skway-gull-puss
1. She's a squagglepuss, I could just keep her here for ever!
2. Person 1: "Where should we go tonight? I'd like to do something squaggly to lighten your mood?" Person 2: "I don't want to be a squagglepuss, so lets squag"
by N Fisher July 5, 2005
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