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1.
a dance performed by an animal called the lachlan cameron, a subspecies of asparagus. it involves swinging his girly arms around while kind of jumping on the spot.
possibly a dance to show his hapiness, or a mating ritual, the lachlan often performs this dance to men and young boys
two boys nick and angus, reported to police yesterday that a creature had attacked them by using its swinging arms and a thrusting hip movement. the boys are now in a critical condition. the creature has been descibed as having girly arms and was happily dancing away
by jason hua February 07, 2005
 
2.
the mating call of the sexually undefined lachlan cameron for his also sexually undefined matting partner angus oke.
holy shit its angus, lachlan must be doing the happy dance
by bigyun February 07, 2005
 
3.
Moving in such a manor in front of the refrigerator as though the contents bring you an energy or show your erection so that you express your great enthusiasm with such a happy dance.

Mannie performed his happy dance when he spotted the leftover Big Mac in the fridge:]
by Eelizabeth Paige August 11, 2008