all over vs colloquialism

all over is not a noun while colloquialism is a noun.

Word	Noun	Adjective	Verb	Adverb
all over	No	Yes	No	Yes
colloquialism	Yes	No	No	No

all over (noun)	colloquialism (noun)
	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

all over (adjective)	colloquialism (adjective)
having come or been brought to a conclusion

all over (adverb)	colloquialism (adverb)
to or in any or all places; pronoun, location; quantifier: universal
over the entire area