the american verison of the british insult "lousy wanker". It is mainly used by douchebag creeps that want to appear cool to there friends (if any), but mainly just look gay.
Today, a fat creep at my school called me a lowsy wanker, becuase apperantly he didn't know how to spell "lousy wanker". That day everyone ay my school beat him up.
by John Dwyer March 22, 2009
by Life_of_rere93_ March 22, 2022
Verb. Anything goes with this one. Lowsie can be used in many different situations to explain what someone is doing
by coochieslayer4569 April 26, 2022