2 definitions by i_s_t_h_a_t_m_y_t_i_e_?

To wear one's trousers lower than the intended waist line, hence the back of the trousers "sag". Some believe "sagging" origionated in America, particuarly amongst the black comunity. Men that had been arrested and sent to jail would be malnurished and therefore skinier upon leaving thus causing their trousers to hang lower around their waist; "sag".

Also a customer in a shop/establishment.
(UK)