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2 definitions by crombot3000

LOTSU is an abbreviation for Lack Of Turn Signal User. It's someone who turns, without using a blinker.
"Hey, did you see that car. It didn't use a turn signal"

by crombot3000 March 25, 2010
STUTSWAC is an abbreviation for Someone That Uses Turn Signals Without A Cause. Its those people that have their turn signal on whilest going straight.
"Look, that car has its turn signal on and its going straight!"

by crombot3000 March 25, 2010