Thunder in the land down under* is a colloquial term to describe hot, passionate, energetic sex. If you've ever wanted a new term to 'spice up' your sex life, thunder in the land down under is the perfect way to describe it.
It conveys meanings of the best sexual experience one has ever had - something wild and crazy that leaves you breathless and panting, but wanting more.
*not geographically limited to sex in Australia, can be used anywhere in the world.
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. 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.