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

a phrase chiefly used in northern England.

it is a contracted form of "it'll be reet", where "reet" means "alright" or "OK".

living your life according to "be reet" is the only way to find happiness in life.