blow out of the water vs ball over

blow out of the water and ball over both are verbs.

Word	Noun	Adjective	Verb	Adverb
blow out of the water	No	No	Yes	No
ball over	No	No	Yes	No

As verbs, blow out of the water and ball over are synonyms defined as:

blow out of the water and ball over: surprise greatly; knock someone's socks off

Other synonyms of blow out of the water include floor, shock, take aback.

blow out of the water (verb)	ball over (verb)
surprise greatly; knock someone's socks off	surprise greatly; knock someone's socks off