A fork of Rural Dictionary
The 5 to 10lbs. (and even more in extreme cases) of weight put on while on a luxury cruise with all you can eat buffets, room service and plentiful alcohol.
"Hey man, you're getting fat!" "It's ok dude, it's just cruise weight." "Oh, I see."
The maximum weight a girl can attain and still be attractive to men cruising for tail
Chicks above 120 can no longer be considered "pick-upable" as they have exceeded their maximum cruise weight.