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1.
The first seventh of rag week i.e. woman. first day. period. nothing to do with bolognese sauce.
Mama says "it's a dolmio day!!" Its gonna get messy down there!
by Tomonori January 10, 2008
 
2.
The start of a lady's period
When's your Dolmio day ?
by kaleidoscope October 22, 2012