"the playpen's open but the beast is asleep" ---- Flies open
Humping --- having sex
"going tits up" --- going wrong
putting the "mocca" on something ---- cursing or causing something to go awry
"bustin" --- in need of as in I'm bustin' fer a pee!
Dump / No2 / crap --- shit
pee / jimmy (riddle) / slash --- urinate
chuffin'/ chuff --- fanny/ arse
Snek lifter --- burgular or stranger
Gradley ---- good / well
Gangly / lanky --- long limbed
built like a brick shithouse ---- a rather large guy
lilo lill --- lady of easy virtue
Vinegar Vera ---- lady of no virtue at all
go like the clappers --- fast
like shite of a shiny shovel --- very fast
gormless --- thick