A fork of Rural Dictionary
1. One of the longest running Broadway musicals of all time. Filled with cheesy, nonsense plots and music...but you love it anyway.
2. A movie starring Olivia Newton John and John Travolta. Based on the play, with a thicker plot and added songs such as "Grease is the Word", "Hopelessly Devoted to You", and "You're the One That I Want".
3. Fatty or oily matter; lubricant.
That girl played Jan in Grease! Her hair looks pretty greasey...
To accomplish something in a non-standard and usually underhanded way.
After a student misses an entire semester of class, lies about the reason, and then ends up getting an A anyway.
I can't believe you were allowed to grease the system like that.