fuck up
fuck
fʌk
fak
up
ʌp
ap
/fˈʌk ˈʌp/

Definition & Meaning of "fuck up"in English

to fuck up
[phrase form: fuck]
01

to botch, ruin, or make a serious mess of something

Dialectamerican flagAmerican
to fuck up definition and meaning
Slang
Vulgar

What is the origin of the term "fuck up" and how is it used?

"Fuck up" is a vulgar phrasal verb that emerged in English in the mid-20th century, building on the verb "fuck" as an intensifier to signal severity or totality. The phrase came to mean ruining something badly or making a serious mistake, emphasizing the scale of the failure rather than the specific action. It is widely used in informal speech, workplaces, media, and everyday conversation to describe botched plans, errors, or personal failures. The term is coarse but common, context-dependent rather than inherently abusive, and usually expresses frustration, blunt honesty, or self-criticism rather than insult.

02

to injure a body part badly

Dialectamerican flagAmerican
to fuck up definition and meaning
Slang
Vulgar

What is the origin of the term "fuck up" and how is it used?

"Fuck up" is a vulgar English phrasal verb that emerged in the mid-20th century, originally meaning to ruin or damage something through force or error. From this sense, it developed a more literal physical meaning: to injure a body part badly, implying serious harm or lasting damage. The phrase uses profanity to intensify the idea of disruption or destruction. It is commonly used in informal speech, sports talk, and casual storytelling to emphasize the severity of an injury. The term is coarse and informal but context-dependent, usually descriptive rather than insulting when referring to physical harm.

Examples
He fucked up his knee sliding into base last season.
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