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1.
n. A severe tan line in the nether region resulting from tanning with a bikini or undergarment. The contrast of dark skin to the lighter crotch area is comparable to the black and white areas of a panda.

n./ adj. name for someone who is black on the outside but white between the legs
"Don't tan with undeez ohr u might getta panda crotch"

"Stop being such a panda crotch"
by laVidaloca March 08, 2009