"Presence is tremendous" is "미존"(mi-jon) in Korean.
미존 (Mijon) is means "ridiculously large presence ". 미친 존재감 is a schematic of it. The comedian Jeong Hyeong-don (정형돈). If you say in full "crazy presence, Orange group of Gae hwa dong (미친 존재감 개화동 오렌지족)" of the thing, or 미존개오 (Mijongaeo) that of Jeong Hyeong-don. The Orange (오렌지족) is the people who are exposing their money with luxury cars and clothes