Definitions

1. noun

A person who habitually dirties or sullies something, typically with grease or oil.

“The garage mechanic was known as a greaseball for always getting oil on his overalls.”

2. noun

A lump or mass of grease or oil.

“The greaseball on the floor needed to be cleaned up before someone slipped on it.”

3. verb

To coat or smear something with grease or oil, typically in an unpleasant or careless manner.

“The mechanic’s hands were greased all over after working on the engine.”