Loud but sweet, the act of breaking wind in a noisy manner while producing a not unpleasant aroma, the product of breaking wind in said manner, a style of breaking wind popularised by girls named Leah.
Leah has just done a thick fart - I believe she is credited with their invention.
That was such a truck fart, man! Even at the other side of the conference room, I saw Grace and Inge heading the WC holding their barf in their mouths.