To pronounce, announce, utter, say, or clearly indicate, as though officially, or with authority, or bearing formality.
"I shall never eat white meat again," the guy declared to himself.
by Jon Davis January 13, 2004
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Declare: short for Declaring my independence. Used as a slang term for smoking Cannabis, due to the fact that the United States Declaration of Independence was drafted on hemp paper. The phrase originated from the International School of Indiana, located in Indianapolis.

Note: declaration can be used as a noun as a slang for cannabis
-Hey, why don't we go over to Stephanie's and declare tonight?
-Great idea.

or

-Do you know somewhere where i may be able to purchase some declaration?
by anonymous 2323 April 19, 2010
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When you set the lock screen on your school computer to chocolate milk but the person who uses the computer in the period after you sets it to regular milk.
"I didn't want it to have to come to this, but your heinous acts have left me no choice. What you have presented me is a Declaration of War."
by Chifutakushi February 12, 2020
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When a fad or affectation has outlived its coolness, one can declare a moratorium on it. It's a polite way to express one's rage at seeing something silly continue in perpetuity.
1. White chicks with dreadlocks; I'm declaring a moratorium on that.
2. I'm declaring a moratorium on the faux-hawk. It's been co-opted by too many frat boys.
3. I believe it's time to declare a moratorium on the fart app for iPhone.
by Mephist0paulus June 19, 2009
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