From Longman Dictionary of Contemporary Englishspread your wingsspread your wingsa) INDEPENDENT PERSONto start to have an independent life and experience new things A year spent studying abroad should allow him to spread his wings a bit. b) if a bird or insect spreads its wings, it stretches them wide → spread
Examples from the Corpus
spread your wings• Later, I take off my watch to let it spread its wings.• Others are like birds in a greenhouse: banging against the glass, desperate to spread their wings.• Her dad wanted her to spread her wings a little - not too much mind.• Then it spreads its wings and flies away, ready for its first meal of nectar!• The dragon spread its wings and gave an experimental flap, which lifted it momentarily off the ground.• She must be allowed to spread her wings and open up.• Diana was eager to spread her wings and start her own life in London.• They just spread their wings and take off.• Recently she's begun spreading her wings, taking courses in real estate. 