The lewd act of suddenly blowing air into the
vagina of a female sexual partner during oral
sex, making a sudden expulsion of said air. Can occur on a continuum, ranging from loose (much like the 'bronx cheer'), or tight (much like how a student is taught to play a brass instrument), where the
vagina blows back with equitable force.
As he chomped on her snatch, he decided to spice it up with a
Saskatchewan Satchmo. He tightened his lips,
pressed them firmly against hers, took a deep breath, and worked that
hole like Satchmo workin a crowd at the Cotton Club.