Excited smile, often child-like from saying and holding the word 'cheese'. A cheesy grin is any teeth showing smile meant to project person's most pleasing facial expression in what is typically a happy time. The word cheesy-grin describes the teeth showing smile most often associated with a young excited child being told to hold a 'cheese' sound to hold a smile while getting their first portrait taken.
I am excited or told to smile, so I flash a 'cheesy grin'. The Cheesy Grin smileyemoticon (emotional icon or symbol) is a distinct teeth showing smile. Also known as 'cheesy smile'.
The act of perceived quality dance moves where one's junk is applied forcibly against another's nether regions, much like the grinding of gears in a clock.
Much like: freaking getting down bailamos Enrique Iglesias
"Last night was a success! I was grinding booty cheeks all night long!"