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.
Slip of the tongue (1725) is from earlier slip of the pen (1650s), which makes more sense as an image. potter's clay, mid-15c., mud, slime, from Old English slypa, slyppe slime, paste, pulp, soft semi-liquid mass, related to slupan to slip (see sleeve).