a.)A cross between Smudge and Splooge,Spluge,Splouge.

b.)A small amount of something, usually less than a teaspoon; because a teaspoon is generally the amount of ejaculate that comes from a mans penis.
"Just put a Smooge, Smuge, Smouge of vodka in my o.j."
by Pink Taco82 May 2, 2009
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