A nickname for 30 St Mary Axe, a building in Central London, well known for it's unusual shape.

The name comes from both it's phallic outline, and the fact it looks like a spaceship Robotnik would build.

It is also been nicknamed the "Erotic Gherkin", for similar reasons
"we're near London - I can see the tip of the egg wang"
by j-cutter January 21, 2008
Get the Egg Wang mug.