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lube up

B2 informal separable both
In simple words

Put slippery stuff (like oil or grease) on something so it moves easily or doesn't hurt.

Literal meaning: Apply lubricant upward/completely — 'up' signals thoroughness or completion.

Meanings

1 B2 neutral

To apply lubricant to a mechanical part or surface so it operates smoothly.

"You need to lube up the bike chain before the race or it will snap."

Grammar: separable
2 B2 informal

To apply lubricant or oil to the body, skin, or muscles, especially before physical activity or a medical procedure.

"Athletes often lube up their shoulders before a long-distance swim."

Grammar: separable
Usage notes

Used in mechanical contexts (engines, hinges) and also in athletic or medical contexts (e.g., applying lubricant before a procedure or race). Can be used reflexively ('lube yourself up'). May carry a vulgar connotation in some contexts, so register awareness is important.

Commonly used with

engine chain joints hinges gears skin

Forms

Base
lube up
I/you/we/they
3rd person
lubes up
he/she/it
Past simple
lubed up
yesterday
Past participle
lubed up
have + pp
-ing form
lubing up
continuous

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