A man with a large penis and massivetesticles A jumbo Jet refers to the fact that the owner of the afore-said jumbo sized tackle is able to force a correspondingly large amount of semen from it during ejaculation
slapper:
Fuckin ell that were a feller I had last night let me tell ya! That were a proper fuckin jumbo jet I ad flying into my terminal 5 last night
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.