When one's skirt rotates while walking so that the zipper keeps ending up in the front, requiring you to subtly adjust said skirt without anyone noticing.
Suffering from a bad case of skirt migration, I tried to shimmy my skirt back into place amongst the crowds on the subway, hoping nobody would notice.
by HollyJ July 02, 2008
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A process that occurs as women age. When women are young their curiosity is fixated on the bulge in the front of a man's trousers. As they age they become much less concerned with this and their curiosity is placed in the size of the bulge in the man's rear pocket. So, women look for the bulge to migrate front to back as they age.
The MILF bypassed the hansome young man with ripped abs, and gravitated toward the man with the expensive watch and designer suit, even though he was butt ugly, 75 pounds over weight, and was 20 years her senior. The young mans' self assurance was shattered by a classic case of bulge migration.
by Lone Wolf Jax November 11, 2011
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Bird migration is often used to mean oral sex by teenagers in Australia, the term comes from a Red Hot Chili Peppers song (21st century) where the two apparently unrelated terms are used together:
"Strangelation, altercation,
Oral sex and bird migration"
"Strangelation, altercation,
Oral sex and bird migration"
by Kylea July 10, 2006
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by neilo69o September 01, 2008
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Did you see Bill at the beach? He's in the middle of a full-scale hair migration! He's got more hair on his back than on his head.
by TheBigHouse June 13, 2014
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by Okirain March 16, 2017
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The act of moving from the once popular Myspace, to the new, 'classier' social networking site, Facebook.
by lizdaniandy21 August 25, 2011
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