1 definition by Truthfuck
Verb. Mental : Someone performing shiestiness is basically someone being deceiving, manipulative; and more often than not end up usually having negative alternate intentions. (Characteristics include but are not limited to someone who will lie to your face and play games with your emotions and get off on doing things behind your back, will often easily burn bridges than face guilt.
Fuck them and their Shiestiness.
by Truthfuck March 3, 2017