Pretending or acting as if; 'pretend', 'act like'.
Verb (dictionary form) + ふりをする, い-Adjective + ふりをする, な-Adjective + ふりをする, Noun + ふりをする
The ～ふりをする grammar point is used to express that someone is pretending or acting as if they are doing something, feeling a certain way, or possessing a certain quality. It can be translated as 'pretend' or 'act like' in English. The formation is the same for verbs, い-adjectives, な-adjectives, and nouns.