Triple x groovy is a term used in the meaning of to get down or having sexual intercourse in a happy and usually committment free manner. A nastier term dealing with the "free love" concept of the '70's.
One bottle of Vitamin Water XXX
One bottle of Jagermeister
Drink or pour out some of the Vitamin Water and top off with Jager.
You now have yourself a Triple X Jager.
"We were downing Triple X Jager's at that party Saturday night."