Top definition
When your asshole is so tight that even a greased up BB can't fit up your ass.
He missed the easy shot because he had a common case of Grease BB.
That guy had Grease BB on the pitching mound because he couldn't throw a strike.
I had Grease BB giving my speech in front of my class today.
by Bobowetneck November 05, 2013
Get the mug
Get a Grease BB mug for your daughter-in-law Riley.