The rate at which one meets/gets with women Gash
Ah Paul man, how are you? Hows the gash flow?
A penurious period in which you are unable to spend any money because you're waiting on funds that people are due you. Gash Flow is an acronym of Gash (meaning rubbish or poor) and Cash Flow.
'Hey Stoz - you coming to the pub tonight?' 'Can't mate - I've got gash flow at the moment!