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1.
you curse well and alot.
cursing with a lot of exoerience
Today I overheard Velma's son, Tommy, curse like a sailor
by Anthony M C. June 26, 2008
 
2.
You curse a lot, not necessarily well, but you've had some experience.

-Retired Sailor who still uses curse words frequently.
You curse like a sailor, you have a curse word coming out your mouth every other word!
by sam2213 October 30, 2011