A board, or piece of wood or metal, having one edge perfectly straight, used to ascertain whether a line is straight or a surface even, and for drawing straight lines.
"Are you straight edge?"
"Did you just call me a fucking ruler?"
1. Redundant way of saying "ice."
2. Retarded way of saying "Italian ice."
1. When cooled to a temperature of 273 Kelvins, water will freeze into its solid state, known as water ice - as opposed to water water and water vapor.
2. "What does the 'Italian' mean in 'Italian ice?'"
"Oh, that just means that it is flavored, as per an Italian style of ice-like dessert."
"What does the 'water' mean in 'water ice?'"
"Oh, that just means that it is...flavored. Just because."