What is the meaning of Cough_up?

To expel from the lungs, throat, stomach, etc. by coughing.

To reluctantly or unwillingly give.

2. Of money: to pay or disburse reluctantly.

   Of money: to pay or disburse reluctantly.

   Of other objects: to hand over, give.

   To confess; to give up information.

   To lose a competition by one's own mistakes, usually near the end of the contest.

   To spill, to fumble.

   Source: wiktionary.org