We found one dictionary that defines the word bored out of one's tree:

General (1 matching dictionary)

1. bored out of one's tree: Wiktionary

Definitions from Wiktionary (bored out of one's tree) ▸ adjective:  (informal) Extremely bored. ▸ Words similar to bored out of one's tree ▸ Usage examples for bored out of one's tree ▸ Idioms related to bored out of one's tree ▸ Wikipedia articles (New!) ▸ Popular nouns described by bored out of one's tree ▸ Words that often appear near bored out of one's tree ▸ Rhymes of bored out of one's tree ▸ Invented words related to bored out of one's tree