Definitions by Steigelette

Double Roman 

A fairly involved and physically challenging sex act that is typically performed during free-fall.

Ray: Hey Ben, I feel like jumping from that plane without parachutes may have been a bad idea.
Ben: I dunno, but you wanna Double Roman while we're up here?
Ray: 10-4, Commander!

Double Roman by Steigelette November 1, 2010