Three Sheets to the Wind

From MIwiki

Three Sheets to the Wind is a book of poetry, written by various pirates. Upon reading it, Guybrush says it is some of the worst poetry he has ever read. The book is available from the Phatt City Library.

Three Sheets to the Wind is also the title of Part III in The Curse of Monkey Island, in which Guybrush must participate in Insult Swordfighting at sea. The phrase "three sheets to the wind" refers to someone who is intoxicated, comparing the drunk to a ship whose sailing sheets have come loose.