The Black Tubes 

A fictional band in the British comedy series The Mighty Boosh. They appear in the last episode of series three "Chokes". (working title "Theatre") The Black Tubes are played by British garage rock band the Horrors. Noel Fielding, one of the creators of The Mighty Boosh is known to be a big fan of the band. The Black Tubes are also characterised by their skin-tight drainpipe trousers.

Vince had to fit into those drainpipes to become a member of The Black Tubes.

The Black Tubes by LeHitcher October 22, 2008

putting toothpaste back in the tube 

sim. Descriptive of the difficulties encountered when attempting sexual congress whilst less than fully erect. also: Thumbing in a slacky, playing snooker with string, pushing a marshmallow in a money box.

After I saw her face it was like putting toothpaste back in the tube.

putting toothpaste back in the tube by yO'Neill February 27, 2008