Bicycle Shorts 

When a male gets a boner and his shorts become tight, it appears as if he is wearing a pair of bicycle shorts.

When Jerry saw Linda walk by he was wearing bicycle shorts.

Bicycle Shorts by Whereisgary? June 19, 2008

bicycle shorts 

Gay tight shorts worn by Cyclers to show off their bulge

Look at Joe's bicycle shorts.

bicycle shorts by domonvoi September 7, 2005

bicycle shorts 

Shorts that professional cyclists wear, usually made from spandex and/or lycra.

Also one of the reasons why I don't enter trialithons.

Bicycle shorts look queer, why can't cyclists wear "normal clothing."

bicycle shorts by Rhambi January 4, 2009