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A primitive calculator used by both old people and technophobes.
Oh my god it runs on batteries, I'll stick to the good old abacus.
Abacus by Jimothjim May 2, 2006
a tool used by the Chinese in the early times. An abacus can be used to do arithmetic by hand.
"Quinn used an abacus to count to 100."
abacus by Kasey!! and Quin!! June 22, 2008
Noun. Someone who is really good at maths.
"134+4765=4899"
"John, all I can say is you're an abacus!"
abacus by Alex Quantashassle April 21, 2005
An instrument used to calculate numbers and other mathematical problems, which is 10 times better and faster than calculator.
Abacus vs. Calculator, who wins?
Abacus, of course!
Abacus by Le Mao September 13, 2012
a tool used by the Chinese in the early times. An abacus can be used to do arithmetic by hand.
"Quinn used an abacus to count to 100."
abacus by Kasey!! and Quin!! June 22, 2008

abacus class 

A reason often used to cover up the (possibly) suspicious relationship of two people.
Nina: So how did you meet Rose again?
John: Oh we were... um.. classmates back in ABACUS CLASS!
Nina: So are you just friends?
John: Yep! Just friends! Right! We have a totally platonic relationship!
Nina: You sure? I thought I saw you two holding hands yesterday...
John: Oh yeah that! Isn't that what old friends do when they-um... meet after a long time?
Nina: ...Ok. As long as you're not cheating on me...
John: Ahahaha..
abacus class by kerfulles February 17, 2014
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
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