snigger UK /ˈsnɪɡə(ɹ)/US /ˈsnɪɡɚ/noun 2verb 1forms 3 noun2 •(UK, Ireland) A partly suppressed or broken laugh.Here the unfeeling Toad broke into a snigger, and then pulled himself together and tried to look particularly solemn. — 1908 •(UK, Ireland) A sly or snide laugh. verb1 •(UK, Ireland) To emit a snigger.[…]presently the Mole's spirits revived again, and he was even able to give some straight back-talk to a couple of moorhens who were sniggering to each other about his bedraggled appearance. — 1908 formssniggered · sniggering · sniggers