fiver

noun

1. (slang)A banknote with a value of five units of currency.

   “Do you have a fiver I could borrow? I can pay you back tomorrow.”

   “Charming man that—sort I abhor. Makes you feel it must lead up to borrowing a fiver every minute.”

   “[…]a gesture that had a sort of self-parodying wit about it: it was like trying to borrow a fiver, getting turned down, and asking to borrow fifty quid instead.”

2. (broadly, slang)The value in money that this represents.

   “I bought the chocolates; they were only a fiver.”

   “‘When they get there they will have cost me a fiver a beast in transport and fees.’”

3. (colloquial)A clenched fist.
4. A mathematical puzzle played on a 5 × 5 grid.
5. A Zaydi Shiite Muslim, who disagrees with the majority of Shiites on the identity of the Fifth Imam.
6. A person who gives five percent of their income or five hours a week of their time to charity (a reduction of ten percent tithing).
7. A Zaidi Shi'a Muslim.

   “The three major branches or sects are the Twelvers, Seveners, and Fivers.”

   “Whereas the largest Shi’a branch, the ‘Twelvers’, strictly believe that there were only 12 visible imams, the ’Fivers’ have recognised many more imams throughout their history.”

   “(the Zaydis, or Fivers, were the first subset to break away from larger Shi’ism, and traditionally elected an imam from among the descendants of the Prophet Muhammad as their leader).”

8. (slang)A fan of the American science-fiction television series Babylon 5.

   “It is more than two weeks that Babylon 5 aired for the last time. We, Portuguese Fivers of conviction, are few.”

   “Did all the Fivers who watched it notice that the female scientist (DrWhatshername) was played by Tamlyn Tomita, the actress who played Lt. Cmdr. Laurel Takashima in Babylon 5's pilot movie?”

   “I've had hardcore Fivers point to both Jadzia Dax AND Kira as ripoffs of Ivanova (they can't decide which, I suppose) despite the fact that both premiered on DS9 first, and JMS didn't get rid of Ivanova until AFTER The Gathering, which showed when DS9 first came around.”