respinRespin is a selective monoaminergic antagonist having a hh affinity for serotoninergic 5-HT2 and dopaminergic D2 receptors. Respin binds also to alpha1 adrenergic'Respin' [riːˈspɪn] is a verb that means to spin again or to re-evaluate or reconsider something, often in the context of gambling or gaming. Examples of its use include 'The slot machine