Top definition
Stretch pants with an elastic waistband allowing for excessive consumption of food without hindering the expansion of ones stomach.

Worn mostly by males, however some womens clothing offers the same benefits.

May be abbreviated FLT.
I am sure glad I had on my flexible leisure trousers when I ate the triple patty hamburger with double the meat and a super sized value meal, otherwise my pants button would've shot across the room.
by Michael Silver May 17, 2009
Get the mug
Get a Flexible Leisure Trousers mug for your buddy Sarah.