n. A woman's pussy so wet with cum that it better resembles a water slide at Six Flags than a vagina.
(The term is based on the Winter Olympic sport "luge" in which a racing sled - for one or two people - is ridden with the rider or riders lying supine. In this competition event the sleds race against a clock.)
1. n. That girl has got a tight ass spooge luge!
2. n. Hey little boy, want to take a ride in my spooge luge?
3. n. That whore downstairs is so full of cum she's got a spooge luge!