Top Definition
A slow, tired and usually involuntary fart continually emitted by sphincters of the clientèle of the Cherry Orchard in Chester. Such yawns are commonly encountered after a plate of egg mayonnaise sandwiches and mini pork pies has been circulated.
"Jesus H Christ, is there a body under the floor boards in here? That smell is enough to choke a dung fly."

"that'll be john, he's just had a bum yawn"
by original jimster June 30, 2009
5 Words related to bum yawn

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