eff (verb)

1. In the science fiction novel, the alien species use advanced technology to eff telepathically.

2. During ancient times, various civilizations had their own unique rituals and practices to eff.

3. In the comic book series, the superhero has the ability to eff with superhuman strength.

4. The avant-garde fashion show showcased daring and provocative designs that aimed to eff traditional gender norms.