Multiple choice general knowledge Glues the victim's tongue to the roof of his/her mouth Lockglue Langlue Locklang Langlock Reveal answer Fill a bubble to check yourself D Correct answer Explanation Langlock is the spell that glues the victim's tongue to the roof of their mouth, preventing them from speaking. The name is a combination of 'langue' (French for tongue) and 'lock'. This spell appears in the Harry Potter series.