ask for it vs ask for trouble

ask for it and ask for trouble both are verbs.

Word	Noun	Adjective	Verb	Adverb
ask for it	No	No	Yes	No
ask for trouble	No	No	Yes	No

As verbs, ask for it and ask for trouble are synonyms defined as:

ask for it and ask for trouble: persist with actions or an attitude despite the probability that it will cause trouble

ask for it (verb)	ask for trouble (verb)
persist with actions or an attitude despite the probability that it will cause trouble	persist with actions or an attitude despite the probability that it will cause trouble