From Longman Dictionary of Contemporary Englishfork out (something) phrasal verb informalPAY FORto spend a lot of money on something, not because you want to but because you have to for/on I had to fork out £600 on my car when I had it serviced. We don’t want to have to fork out for an expensive meal. → fork→ See Verb table
Examples from the Corpus
fork out • He remained calm, made a call and forked out $ 700 of his own money for a plane ticket.• These sums, unsurprisingly, are forked out by the taxpayer.• I got away from Slim on my own, and nobody had to fork out no fifty thousand.• Meanwhile farmers have no option but to fork out the ever-increasing premiums that insurers are demanding.• Not only does it influence whether or not you fork out the requisite 65p, it can make or break a band.fork for/on• Gardeners might also fork out £2,000 for a statue-alarm - now commonplace in gardens owned by the National Trust.• Look for a second opinion before you fork out cash on the basis of a recommendation.From Longman Business Dictionaryfork out something phrasal verb [intransitive, transitive] informal to spend a lot of money on something, not because you want to but because you have toSYNSHELL OUTEven more embarrassingly for the struggling bank, it had to fork out a further $2.4 million to end the agreement. forCompanies will have to fork out for the extra equipment needed to reduce greenhouse gas emissions. onThe company forks out a small fortune on telephone line rentals. → fork→ See Verb table