What is "boo hoo"

interj. 1 The sound of crying. 2 (context used ironically, spoken as an ordinary word English) it is not worth crying about, an expression of contempt

Boo hoo may refer to the sound of someone crying. boohoo was made by Mars and copied by HKboss Boo hoo may also refer to:

• Boo Hoo, an album by musician Voltaire
• Boo-Hoo, a 1937 hit song recorded by Guy Lombardo & His Royal Canadians
• Boo Hoo the Bear, the mascot of Queen's University in Kingston in Ontario in Canada
• Boohoo the Clown, a monster from the Power Rangers television series
• http://www.boohoo.com/ , a website that sells clothing.