### Clue: Imminent issue forced union (7,8)
### Answer: SHOTGUN MARRIAGE 
 ### Explanation: Definition: Imminent issue forced union
  Cryptic defn:  Scenario where your future father-in-law is behind you and your pregnant bride with a shotgun, literally or figuratively, to force you into a union, so that the results of sowing your wild oats,imminent issue, are legit.  Nice surface.