The definition of smug is the showing of extreme satisfaction with oneself.(adjective)
An example of smug is a man with six pack abs showing them off to any and every one.
See smug in Webster's New World College Dictionary
See smug in American Heritage Dictionary 4
adjective smug·ger, smug·gest
Origin: Perhaps akin to Low German smuck, neat
Origin: , from Middle Low German
Origin: , from smucken, to adorn.
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