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Summer-een-mas is another name Winter-een-mas.

Because it is summer down in Australia
while winter-een-mas is on we desided to change the name.

What is winter/summer-een-mas u say?
It is a holiday for gamers that lasts
all of January, with the actual holiday lasting 7 days, January 25-31.

See Winter-een-mas for more details

"Happy summer-een-mas"

"wanna come over and play halo 2 for summer-een-mas"
by Casey Jerome Hancock January 07, 2006
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