A recurring group of 20-something singles, brought together by the consumption of alcohol and the potential for sexual promiscuity or "picking up"; congregating in liquor licensed establishments on differing week nights—in a set rotation—predetermined by drink specials or popularity.

Typically occurring in small to medium size cities where a limited variety of bars or clubs exist, the ‘circuit’, refers to its analogous relationship held to that of sports, where athletes or teams abide by a schedule determining attendance at an event.

Friends of those on the circuit who are “lame, whipped, or gay” usually attend one to zero of the weekly rotation’s scheduled stops. When attending, they leave early for ‘gay’ responsibilities such as, employment requirements in the morning. Circuiters are concerned with hooking up, before any thought of sleep and subsequent AM responsibilities are entertained. Circuit stops cannot be substituted unlike activities on weekend nights.

•What are you doing tonight?: Hittin' the 'circuit'...Wednesday night is Emma's Pub night, obviously”.
•Wanna see a movie tonight?: No — sorry, it’s Joe Dog's on the circuit tonight”.

by PB1234 September 17, 2008
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Background: Lebanese Ghetto

Definition: A calculator (more commonly used for Graphing calculators)
Man i got this new casio circuit that can do matrices for me.
by tribalray March 12, 2005
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This is in reference to something or someone that sucks so bad that it is actually worse then busch league. these are the Thursday afternoon car races that nobody watches. This is the short white trash kid with the wife-beater on that can't grow a beard.
This sucks so bad it's fuckin circuit.
by Sajarelli January 05, 2008
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A component of a TARDIS which allows it to change shape to match its surroundings and remain inconspicuous. The circuit on the Doctor's TARDIS has malfunctioned, leaving it stuck in the shape of a 1960s style British police box. Not to be confused with British trock band chameleon circuit
The Doctor: "My chameleon circuit hasn't worked since 1963"
by TheMrJay8 September 08, 2012
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The couch crasher develops a sofa circuit of sympathetic or co-dependent friends' places with sofas to crash on. Only losers do the sofa circuit, because they are perpetually broke and too lazy to get a regular job and live a responsible life.
Tim has been on the sofa circuit for a year, crashing at different friends' places till they get sick of him and kick him out, then he moves on to the next friend's sofa.
by Sarasplayroom.com February 22, 2009
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Nickname commonly used to describe the American League, one of two major divisions of Major League Baseball, as opposed to the National League, which can be referred to as the "senior circuit." (This is because the American League is much younger- it was founded in 1901 while the National League was founded in 1876.) It consists of fourteen teams: in the West division Los Angeles, (one of two franchises in the city) Seattle, Oakland, and Texas; in the Central division Minnesota, Chicago, (one of two franchises in the city) Detroit, Kansas City, and Cleveland; and in the East division Tampa Bay, Boston, New York, (one of two franchises in the city) Toronto, and Baltimore. The nicknames for these teams are respectively the Angels, Mariners, Athletics, Rangers, Twins, White Sox, Tigers, Royals, Indians, Rays, Red Sox, Yankees, Blue Jays, and Orioles. Notable players include Kansas City's Zach Grienke, Minnesota's Joe Mauer, and New York's Alex Rodriguez.
In this year's All Star game in St. Louis, the junior circuit beat the senior circuit 4 to 3.
by fan of major league baseball November 26, 2009
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