Definition from Wiktionary, the free dictionary
Originated circa 1871, from the resemblance of the target to a splayed-out frog.
- To march or force a person forward while holding their arms from behind or aside, as a prisoner.
- (formerly) To carry a person face-down with one person holding each limb.
- To forcibly relocate a person, especially in a degrading or humiliating manner.
- The process of frog-marching a person.