noun

• (archaic) A fillip or light blow.
  "[…] who looked at Dean a moment, crossed over the stage to him, raised himself on his toes, dashed his own hat firmly down to his ears, and every one on the stage supposed Dean was about to receive a flip on the ear or nose."
• (dated) A whit or jot; the tiniest amount.
  "I don't care a flip for what he says."
• (US, slang) A slingshot.
  "He loaded his flip and took careful aim at what he considered to be Emily's most vulnerable spot […]"
• (informal) The purchase of an asset (usually a house) which is then improved and sold quickly for profit.
  "What they bring to the table is hard-won brass-tacks knowledge from over fifteen years of personal investing as well as riding shotgun on over 1,000 flips with their clients."

verb

• (transitive) To throw so as to turn over.
  "You need to flip the pancake onto the other side."
• (transitive) To put into a quick revolving motion through a snap of the thumb and index finger.
  "If you can't decide which option to go for, flip a coin."
• (transitive, US politics) To win a state (or county) won by another party in the preceding elections.
  "Wisconsin had been Democratic for decades, but the Republicans flipped it in 2016."
• (intransitive, US) To turn state's evidence; to agree to testify against one's co-conspirators in exchange for concessions from prosecutors.
  "The mafioso flipped on his superiors to get a lighter sentence."

intj

• (UK, euphemistic, colloquial) Used to express annoyance, especially when the speaker has made an error.
  "What the flip just happened?"

adj

• (UK, informal) Having the quality of playfulness, or lacking seriousness of purpose.
  "I hate to be flip, but perhaps we could steal a Christmas tree."
• (informal) Disrespectful, flippant.
  "Don't get flip with me or I'll knock you into next Tuesday!"