Hi all..the meaning of WAAC is..for examlpe if six special soldiers where run vertically behinde each other and one of the six is injured for example no.three he will say"WAAC" and means I`m injured and I must back off from the group and can not countinue with them so the no.four will take him to the end of the line because he is injured..and my queasion
What is the meaning of Rheumatoid arthritis?
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