Acid

What do you call an acid that's a jerk? Amino acid Sounds alike literal amino acid (chemistry) An organic compound containing amino and carboxyl groups, fundamental to protein structure. payoff a mean-o acid A mean or jerk-like acid, playing on the homophone between "amino" and "a mean-o." "Amino" sounds like "a mean-o" (a mean one), creating a double meaning with the chemistry term. .