Its roots come from the trenches of WWI, where anyone who had lost their mind from war trauma and battle would disobey orders and climb over the top of the protective trenches, leading to immediate death.
"People say she went over the top, but noone really knows."
2) In World War One, sending troops across no-man's-land was called going "over the top" since soldiers climbed out of the trenches.
3) A term used in politics that refers to the point that a party has enough seats/votes to form the government with no chance for opponents to catch up.
2) Bob's commanding officer sent him over the top when the enemy advance started.
3) At around 11 pm on election night, the media declared that Bob was over the top since 75% of polls were in and he already won 155 seats.