larrup [\LAR-uhp\ ], verb:
To beat or thrash.
"When a seagoing canoe beached on the stones, or when a neighbor came larruping from around back of the house, Martha Obenchain, peeling potatoes at a table in the sun, rose and put the kettle on, tickled pink." ~Annie Dillard, The Living
"A fast white boat comes larruping around the point from the direction of Mercer Island and banks towards him." ~Neal Stephenson, Cryptonomicon
"Light tomorrow with today". — Elizabeth Barrett Browning
