Top Definition
"300 years ago, sailors stuck at sea would get desperate for female companionship. It got so mad that eventually the manatees out in the water started to look like beautiful women - mermaids.

Every women, no matter how initially repugnant, has a "mermaid clock". The time it takes to realize you want to bone her. " ~ Barney Stinson, How I Met Your Mother
the mermaid theory: Sure today you see Iris as a manatee, but she aint gonna stay that way, Marshall your secretary's mermaid clock starts now..
by |\/| M m |\/| December 06, 2010

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