Frozen Tundra is a sex act where two Green Bay Packers fans (usually two large gay men) take turns shoving ice cubes into each other's assholes, then shit them out into each other's mouths.
After the Packers lost to the Chicago Bears in the playoffs, many Green Bay fans gave each other the Frozen Tundra to make themselves feel better.
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.