(fandom slang) Alternative letter-case form of May the Fourth be with you

(fandom slang) Happy Star Wars Day.

In a manner relating to the fourth dimension.

A surname.

A city, the county seat of Butte County, South Dakota, United States.

(medicine) The period from the birth of a baby to when the baby is about three months old.

(idiomatic) Full throttle; a maximal level of effort. / Used other than figuratively or idiomatically: see fourth, gear.

Used other than figuratively or idiomatically: see May, fourth.

(Star Wars, fandom slang) Star Wars Day (May 4); the day fans celebrate Star Wars.

(neo-Nazism and white supremacy) a white supremacist slogan: "We must secure the existence of our people and a future for white children."