Water is the universal solvent. A crucial part of life. It is almost everywhere. Due to its immense presence and importance, it has been used as slang for many things, especially in rap.
From the people coming from the Northside, they use water as a euphemism for crystal meth.
“Never try water from gangsters if you want to live a happy life.”
On the subject of drugs, rappers have been known to use water as a substitute for the word PCP. PCP is a popular hallucinogenic drug taken by addicts that want to go on a “trip.”
“I heard that many actors from the 80s used PCP to get high. Some of them even OD.”
Lastly, on a more positive note, water may be used as a nickname or description for someone smooth with the ladies or with their words. If they are cool and able to rap out verses in an “easy” manner, they are liquid like water.
“Snoop Dogg’s chill vibe and smooth rapping skills make it seem easy. He is water.”