Freedom Rock (Lyon County), George, Iowa - Picture of George, Iowa. George Photo: Freedom Rock (Lyon County), George, Iowa.
tongue twister - an expression that is difficult to articulate clearly; `rubber baby buggy bumper' is a tongue twister. locution, saying, expression - a word or phrase that particular people use in particular situations; pardon the expression. Translations.
Yellow tongue is a usually benign condition which occurs when bacteria in the mouth produce pigments which cause the tongue to develop a yellow coating. A yellow coated tongue may look slightly alarming, but it does not indicate the presence of a major medical problem except in very rare cases.