Jack back flan

when you place flans on a person's back and wank onto them until you cum and then they have to eat them

Matthew pulled a Jack back flan on me last night

flanned the headers

Non maintenance of the cooling system that results in a blown head gasket, antifreeze leaks on to hot exhaust manifold and creates steam. When the antifreeze mixes with the oil it has the color and consistency of flan, thus, the term; “flanning the headers” is applicable.

I flanned the headers and damaged the engine.

Flan-gabilous

The flea language, aka language of the devils

hey man, you ever heard them speak Flan-gabilous? no? am i insane? maybe.