What does Athenian Pull mean?

Athenian Pull meaning in Urban Dictionary

whenever injecting medications into a vein, after one draws bloodstream to the syringe, rather than injecting the articles of syringe at once, One injects half the items after which pulls even more blood in to the syringe before inserting the remainder or a little more since often this could be duplicated 2-3 times. It assists in blend of the medications into the syringe utilizing the bloodstream through the vein and making certain the syringe needle continues to be in a vein.