The idea that one is working hard or could be working hard by putting all their effort into the job at hand.
That nacho cheese pot was so burnt on I had to put some real elbow grease into cleaning it.
physical effort, exertion
All it takes to get things done is a little elbow grease.
Leftover sperm that runs down a girl or gay man's arm after jacking someone off.
After 15 seconds of vigorous stroking Steve exploded like a volcano, and Brittany was covered in a near-chunky layer of elbow grease.
An icky, puss-like residue on one's elbow secreted by bad karma.
Damn, bitch. You need to go to the bathroom and clean off that elbow grease.