1 definition by Richard Sherpa
Shark in the Water is a term used to convey that one is menstruating, and thus is dangerous; or to say that the "waters" are "off limits" for that week.
Not tonight, baby, there's a shark in the water.
You had better clean up after yourself, there's a shark in the water.
You had better clean up after yourself, there's a shark in the water.
by Richard Sherpa March 28, 2011