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Normally a verb, possibly a sound.
A flexible word invented by Fid Copya which can have any number of meanings. Usually of a romantic or possibly sexual nature, smerble (or smerbling) can also have onomatopoeic meanings.
Once her and I got comfy on the couch, we then proceeded to smerble for an hour, until her parents returned.

Cuddling is nice, but smerbling is better.
by Fid Copya June 08, 2005