look up any word, like cleveland steamer:
A male who dates or marries a women at least thirty years younger than they are.
Hugh, age 69, is such a mountain lion his girlfriend is now 19.
by qweef shady June 19, 2011
The Food Loin equivalent of mt. Dew. Generic but yummy and refreshing. Cheaper than the real thing!
I cant afford Mt.Dew...gimmie a Mountain Lion, Dude.
by Islandgirl08 August 26, 2008