Wouldn't it mean that one is gay/homosexual? This meaning that they are clearly NOT "straight" (the frequently used word for heterosexual), because a roundabout (also called a rotary in some areas) is, obviously, NOT straight, but curved.
About as straight as a roundabout
as straight as Lewis downtons mum
yeh there as straight as a roundabout =]
A driver must always look to the left and yield to a vehicle that is already in the roundabout.
Cars in the roundabout have the right of way over cars entering the roundabout.
The junction is controlled by a roundabout.
The Magic Roundabout was created in 1964.
The Magic Roundabout ended in 1971.
Operation Roundabout happened in 1943.
Rhondda Roundabout was created in 1934.
Roundabout is the correct spelling.
A bicycle roundabout is a roundabout intended for bicycles, typically used in order to improve the flow of automobile transport.