when you leave a soda cup from a fast food restaurant, containing only ice, sitting overnight and, in attempt to drink it the next morning, you realize it's a nasty combination of slight drops of soda, and the disgusting water the use for ice
A high holiday rivaling Christmas among military personnel. Used in reference to the period of time after porta-potties have been emptied during which one can maaturbate peacefully unencumbered by the smell of shit and urine.
Girl-Why are you boys playing with water?!
Boy 1-It's Water day
Girl- Water day?
Boy 2 -Yeah, it's when people play in a pool,through water balloons on houses and bears, and destroying water guns with fire.
Girl- No wonder why every single person is on instagram showing there family playing with water.
‘Hey did you know today is Hot water day?’
‘Is it really?’
‘Yeah, its April 29th today. Would you like to spend hot water day with me?’
‘Sure i would love too’