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1.
when a man or woman's promiscuous behavior forces them to jump into a new social group.

Origin from the Macrpus family (Kangaroo's) known for ability to Jump due to fast twitch muscles and over sexual and aggressive nature.
Looks like all the girls in my neighborhood know how much of a manhore I am, forced to macropuss again.

Tonya is such a slut, she macropusses all the time though so nobody really knows.

Looks like I macropussed myself outta the west side of town
by lull and troy August 24, 2011