From the Japanese Gitaigo word girigiri. Pronounced geeree-geeree.
"By the skin of your teeth" "really close call" "a sticky situation" "Just made it" "Just barely" All these expressions describe the meaning of giri-giri.
I was walking down the street and the car drove by so close to me it was giri-giri.
We packed the elevator so full it was giri-giri.