Top definition
To expell gas from one's anus with such force that both sides of his/her buttox slap together to create a distinctly audible, and occasionally painful, vibration.
During the awkward silence on his date, John let forth such an intense cheek flapper that the silverware on the table rattled.
by Shpoiken April 28, 2005
Get the mug
Get a cheek flapper mug for your Facebook friend Trump.