Interjection (kandoushi)
ugh; yuck; ick; blech; damn; crap
used to express disgust, displeasure, fear, panic, etc.
「店のばーさんは、すげー愛想悪いんだけどさー」「大輝、聞こえとるぞ」「げっ・・・」"The old lady of this shop is very unsociable but ..." "Taiki, I can hear you!" "Ack!"
Also written げっ、ゲ、げ