Definitions
1.VerbTo expel from the lungs, throat, stomach, etc. by coughing."He was coughing up blood.; He was coughing up a lung."
2.VerbTo reluctantly or unwillingly give.
Of money: to pay or disburse reluctantly."Do you think he'll be able to cough up the three grand by Tuesday?"
3.VerbOf money: to pay or disburse reluctantly."Do you think he'll be able to cough up the three grand by Tuesday?"
4.VerbOf other objects: to hand over, give.
5.VerbTo confess; to give up information.
6.VerbTo lose a competition by one's own mistakes, usually near the end of the contest."That team had the game won, but they coughed it up in the end."
7.VerbTo spill, to fumble.