Definition of Happy birthday

1. Interjection. Said or written to a person who is celebrating his or her birthday in order to convey the good wishes of the speaker or writer (literally, "may you have a happy birthday") ¹

2. Verb. (colloquial transitive) To wish a happy birthday upon (someone). ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Happy Birthday

happinesses
happing
happis
happlicable
happroach
happroachin'
happy
happy-clappies
happy-clappy
happy-go-lucky
happy as Larry
happy as a clam
happy as a clam at high water
happy as a lark
happy birthday
happy birthdayed
happy birthdaying
happy birthdays
happy bunny
happy camper
happy campers
happy chance
happy dance
happy ending
happy endings
happy event
happy families
happy hardcore
happy hour

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