1 definition by Odin the Dog
In Texas Hold 'Em, one who often catches the card that they need on the last card dropped (the River). If this happens often enough, they live on the "river," just like Huck Finn.
"Timmy, you %@#$! I can't believe you caught that ace on the river AGAIN. You're such a Huckleberry!
by Odin the Dog November 10, 2008