Full Definition of BOA. 1. : any of a family (Boidae) of large snakes that kill by constriction and that includes the boa constrictor, anaconda, and python.2. : a long fluffy scarf. See boa defined for English-language learners. See boa defined for kids. ADVERTISEMENT.ull Definition of BOA. 1. : any of a family (Boidae) of large snakes that kill by constriction and that includes the boa constrictor, anaconda, and python. 2. : a long fluffy scarf. See boa defined for English-language learners. See boa defined for kids. ADVERTISEMENT.
war-on-drugs_0.jpg. June 2011 marks the 40th anniversary of President Richard Nixon's declaration of a war on drugs â a war that has cost roughly a trillion dollars, has produced little to no effect on the supply of or demand for drugs in the United States, and has contributed to making America the world's largest incarcerator.
However, repeated drug use causes the brain to change which drives a person to seek out and use drugs over and over, despite negative effects such as stealing, losing friends, family problems, or other physical or mental problems brought on by drug useâthis is addiction.