a lump in (your) throat

a strong feeling of emotion that makes speaking difficult.

He still couldn't watch the video without getting a lump in his throat, and he wasn't the only one.

• knock someone's socks off
• knock someone up
• knock some sense into
• knock some sense into someone
• knock something down
• knock something into shape
• knock something off
• knock something on the head
• knock something out
• knock something's socks off
• knock spots off
• knock spots off someone
• knock spots off something
• knock the bottom out of
• knock the bottom out of something
• knock the daylights out of
• knock the daylights out of someone
• knock the living daylights out of
• knock the living daylights out of someone
• knock them dead
• knock the stuffing out of
• knock the stuffing out of someone
• knock the tar out of
• knock the tar out of someone
• knock up