The utterance of any phrase, mid coitus, with the intent of ending said sexual act as rapidly as possible.
As Sean had Shannon bent over the couch he went for the ejector seat maneuver by asking her: 'you don't mind that I'm just using you for sex here, do you?' - Shannon went ballistic . . . . . .
In the sport of rowing, your oar blade can get trapped under the water's surface, slammingthe handle into your chest so hard that you are thrown from the boat. The act of which has been dubbed an Ejector Crab.