The term "leg curling" typically refers to a physical response to an intense or embarrassing situation. Some synonyms that can be used in place of "leg curling" include "cringe-worthy," "awkward," "uncomfortable," "embarrassing," "humiliating," and "nerve-wracking." "Squirm-inducing" and "gut-wrenching" can also be used to describe situations that make you feel uneasy. Other phrases that can replace "leg curling" include "facepalm-worthy," "cringe-inducing," and "agonizingly awkward." Regardless of the term used, the meaning remains the same; a deeply uncomfortable experience that makes you want to hide or curl up your legs in embarrassment.