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1.
Used to signify an interruption that must be made immediately because a delay would make the interruption unnecessary; a blend of location and interruption. Locarrupt is usually said by persons in a car who need to immediately interrupt the conversation in order to point out something that will otherwise pass by before the next break in the conversation.
"Locarrupt ... look at that hot girl walking down that street"

"Locarrupt ... quick, look how low that damn airplane is flying"
by J. Johnson June 30, 2004