This is a list of phrases and slang used throughout history (as seen in BTTF media).
- Bastard: A noun or exclamation used in 1985.
- Bitchin': An exclamation used in 1985. Used by Marty McFly in 2015.
- Bojo: A noun used in 2015.
- Damn you to hell: Phrase used by Buford Tannen in 1885 before killing someone.
- Duded-up: A modifier used in 1885.
- Garbed: An adjective used in 2015.
- Great Scott: An exclamation.
- Gutter trash: A noun used in 1885.
- Heavy: An exclamation/expression used in 1985. Used in conjunction with "This is heavy" to indicate something that is hard to grip mentally. Doc Brown believed it had something to do with the future Earth's gravitational pull.
- Shit: A noun used as early as 1885.
- Slacker: A noun used in 1955 and 1985.
- Son-of-a-bitch: A noun used in 1955 and 1985.
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