A man with a large penis and massive testicles
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