It depends on the individual, the time taken to insert it, and experience.
Usually a cock
cock balla anus
about 4 minutes depending on anus width
Cables are the thickest wires.
I am the thickest girl in this world.
To take poops
the ventricle walls are thickest
As measured by its thickness from upper boundary to lower boundary in a downward direction, the mantle is the thickest layer of the Earth.
Take it to the vet
the thickest is mantle
The crust is thickest beneath the mountains.
wool is the thickest fabric...i think