Why'd my grandpa fall over?
'Cause I clapped his cheeks, fool!
Why'd my grandpa fall over?
'Cause I clapped his cheeks, fool!
Listen up, buttercup. This "joke" is saying the grandpa fell because the person clapped (hit) his cheeks. Cheek clapping is not polite. You are not smart and probably think cheek clapping is a cool new dance move.