knock sideways

Meaning

1. knock sb sideways

   to surprise or shock sb so much that they are unable to react immediately

From the same entry

• I'll knock your block off
• knock dead
• knock into a cocked hat
• knock it off
• knock off their pedestal
• knock on the head
• knock on wood
• knock spots off
• knock the stuffing out of
• you could have knocked me down with a feather
• beat the daylights out of
• bang your heads together