A wedding under duress, esp when the bride is pregnant; a forced marriage; military wedding(1927+)
Idioms and Phrases with shotgun marriage
Shotgun wedding
An agreement or compromise made through necessity, as in Since neither side won a majority, the coalition government was obviously a shotgun wedding. This expression alludes to a marriage precipitated by a woman's pregnancy, causing her father to point a literal or figurative gun at the responsible man's head. Its figurative use dates from the mid-1900s.