IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?
Words nearby cough up
Idioms and Phrases with cough up
Hand over or relinquish, especially money; pay up. For example, It's time the delinquent members coughed up their dues. [Slang; late 1800s]
Confess or divulge, as in Pretty soon she'd cough up the whole story about last night. This idiom transfers the act of vomiting to telling the entire truth. [Slang; late 1800s]