8
A water bong, particularly one used to smoke marijuana.
You guys tryin' to rip a couple tubes after the mixer?
by mp9124 March 21, 2006
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9
1. A round, cylindical object.

2. The London Underground.

3. Medical term for a totally unneccesary breast examination, usually applied to the person asking for it.
1. "Pass me a tube of loo-roll."

2. "I'll take the Tube to work this morning."

3. "Dr Marsh, we have a TUBE fo you in ward three. Enjoy!"
by Mr Ben February 08, 2005
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The vengeful act of crapping on a lover's chest while they sleep.

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10
Guy 1 - Man did you see heidi today?

Guy 2 - Her tubes looked amazing.
by hahgsdjhfksdg September 09, 2011
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The vengeful act of crapping on a lover's chest while they sleep.

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11
Totally
Unnecessary
Breast
Exam
My girl went to her OB/GYN doctor and he gave her a T.U.B.E.
by chillerz October 14, 2006
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12
Tube - a sort of website that offers to watch and stream video online.
Ex. luxxxtube.net - a tube webstite that contains porn materials.
by luxbabes May 23, 2013
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13
A bong.
Dude, can you buy my new tube for me?
by Cokeman170 February 03, 2009
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14
Short for Vacuum Tube, a device used to drive amplifiers until the advent of transistors. A tube works like a flood gate, except with heat. A small heater in the base warms up, while a gate like mechanism opens and closes depending on the input signal. As heat goes through the "gate", it is turned into electrical energy. Tube slots must be biased, which determines the voltages seen by the tube. Only guitar amps still use tubes (as well as some bass amps, mic preamps, and other pro audio devices.)

Though a true discussion of tubes is enough to fill a large book, let alone a short definition, but here are some more common types of tubes.

Preamp: American name (European name) Other name
12AX7 (ECC83) 7025
12AT7
12AY7

Rectifier
5U4 (GZ32)
GT5Y3 (GZ30)

Power Amp
6L6GC
6V6GC
EL84
EL34
KT66
6550
The Ampeg STV had a whopping six 6550 tubes, producing 300w @4 ohms!"
by Contraceptive SpongeBob November 30, 2005
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