hang on vs ask for it

hang on and ask for it both are verbs.

Word	Noun	Adjective	Verb	Adverb
hang on	No	No	Yes	No
ask for it	No	No	Yes	No

As verbs, ask for it is a hyponym of hang on; that is, ask for it is a word with a more specific, narrower meaning than hang on:

hang on: be persistent, refuse to stop
ask for it: persist with actions or an attitude despite the probability that it will cause trouble

Other hyponyms of hang on include obstinate, ask for trouble, plug, plug away, follow, stick to, stick with.

hang on (verb)	ask for it (verb)
be persistent, refuse to stop	persist with actions or an attitude despite the probability that it will cause trouble
hold the phone line open
fix to; attach