The glob of gelatinous blood that the body creates to stop bleeding.
Vadim was cut by a throwing knife. As the blood spilled forth from his throbbing artery, the clotting factors were exposed to various proteins. These proteins caused the clotting cascade to begin and eventually a sticky fibrin mesh was laid down. Platelets then began adhering to this mesh and eventually the bleeding stopped.
A derogatory slang term targeted toward a woman. Synonymous with bitch or cunt. Inferred reference to that special time of the month when women are particularly annoying due to PMS and menstrual bleeding.
Also see clotbag
Jim: What the fuck is up Lisa's ass?
Dave: I have no idea. She's such a fucking clot!