plural of pee-wee

(chiefly Britain and Ireland, university slang) An annual event in many universities where students engage in unusual activities to raise money for charity.

(British slang, vulgar) The days of the month when a woman has her period.

Any period of seven consecutive days. / A period of seven days beginning with Sunday or Monday. / A period of five days beginning with Monday.

(postpositive) Seven days after (sometimes before) a specified date.

Monday, Tuesday, Wednesday, Thursday or Friday, but not Saturday or Sunday. / (Islam) Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, but not Friday.

The break in the working week, usually two days including the traditional holy or sabbath day. Thus in western countries, Saturday and Sunday.

To spend the weekend.

Of, relating to or for the weekend. / Occurring at the weekend.

Once every week. / Every week.