give the once over vs give the eye

give the once over and give the eye both are verbs.

Word	Noun	Adjective	Verb	Adverb
give the once over	No	No	Yes	No
give the eye	No	No	Yes	No

As verbs, give the once over and give the eye are synonyms defined as:

give the once over (verb)	give the eye (verb)
look at with a critical eye	look at with a critical eye