Also a great song which is perfect for drunken occasions. Goes along the lines of this (although has many varients):
"I know someone you don’t know, Yogi, Yogi,
I know someone you don’t know, Yogi, Yogi Bear.
Yogi, Yogi Bear. Yogi, Yogi Bear.
I know someone you don’t know, Yogi, Yogi Bear.

Yogi has a little friend, Booboo, Booboo.
Yogi has a little friend, Booboo, Booboo Bear.
Booboo, Booboo Bear. Booboo, Booboo Bear
Yogi has a little friend, Booboo, Booboo.

Yogi has an enemy, Ranger, Ranger.
Yogi has an enemy, Ranger, Ranger Smith.
Ranger, Ranger Smith. Ranger, Ranger Smith.
Yogi has an enemy, Ranger, Smith.

Yogi likes it in the snow, Polar Bear.
Yogi likes it up side down, Koala Bear.
Yogi likes it in a car, Panda Bear.
Yogi's got a girlfriend, Suzy Bear.
Suzy likes it ‘gainst the fridge, Polar Bear.
Booboo likes it up the ass, Brown Bear.
Yogi has a 10" cock, Black Bear.
Suzy likes to shave her pubes, Grizzly Bear.
Yogi likes it with a chew, Kodak, Bear.
Suzy wears crotchless panties, Teddy Bear.
Suzy’s snatch it smells like cheese, Camembert.
Suzy she has great big tits, More than I can bear
Suzy likes to threesome, Lucky Bear.
Booboo likes it in a tree, Koala Bear.
Yogi likes lingerie, Teddy bear."
(thanks to www.welsh-nutter.co.uk/songs/yogi.html for the song)
Apparently sung to the tune of Camptown Races?

hugely obese, and likely to completely flatten anything in it's path

Used to describe the anal opening just before sex.