2. Term of endearment most appropriately used by couples in private. Can also be used as a filler word during intervals of silence where humour/ cuteness is required.
3. Indicator of similar mental state of mind.
Numsters in pajamas are coming down in pairs.
Numsters for me! Numsters for you! I'll have a numster, you have one too!
(blink, blink) "Numsterrrrrssss!!!