This is the phrase given to a female or group of females (originating from the falmouth area) who participate in sexual activities with strangers on a frequent basis. predatorial creatures who usually attack in large numbers.
"man there is no nice girls around and im well horny, lets just go and get some falmouth sluts!"

Jenna, jess, leonie and bekkie are fucking falmouth sluts! they'll do anything.
by Nickolous April 12, 2005
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