Noun
Used other than figuratively or idiomatically: see yellow, snow.
Snow that is yellow due to urine.
A mixed drink consisting of one part of pineapple juice and three parts of pineapple flavored vodka.
Source: en.wiktionary.orgWatch out where the huskies go, and don't you eat that yellow snow. Frank Zappa
Don't eat the yellow snow. Frank Zappa