Fake Grind 

When someone pretends they are grinding, but are actually not. Similar to procrastination.

'He said he was going to do work, but I caught him playing fortnite. He is on the fake grind'.

'CLane is never grinding. He is always on that fake grind.'

Fake Grind by Grif98 June 16, 2018

Facegrind 

The act of a person(or animal) sliding or "grinding" (def#6) on the floor, ground, or dirt with their face.

"Did you see #24 facegrind into 2nd base...that looked painfull!!"

"Danny pulled a major facegrind yesterday, he tripped going down the stairs."

Facegrind by DLX23 January 16, 2009