1. When a girl quiff's and farts at the same time due to both anal and vaginal intercourse.
Sally is having intercourse with her boyfriend. At the same time she has anal beeds in. Due to too much air within the pussy and ass she farts and quiffs at the same time - therefore whale farting.
To agree with something or someone so much that your ass gas is even seemingly in agreement.
I agree wholefartedly with the statements and sentiments expressed by Mr. E. Dingleberry in regards to the construction of the new bridge to be built over the Douchebag River.