Oh. A clever, albeit obsolete, euphemism
for insufficient blood FLOW...
The Big Bang Theory Season 3, Episode 2
You open yourself up
and go with the FLOW...
Breaking Bad Season 3, Episode 11
"The streets FLOW with blood
The Big Bang Theory Season 5, Episode 15
I take your dirty money and I slip it
into the salon's nice clean cash FLOW.
Breaking Bad Season 3, Episode 9
-...and then I generated FLOW vortices...
The Big Bang Theory Season 10, Episode 19