little johnny walks into his parents bedroom and sees his dad giving his mum one,
his dad just laughs, throws a pillow at him and shouts "get out"
a little while later johnny"s dad hears a commotion coming from johnny"s room,
he rushes in and is horrified to see johnny shagging his gran
johnny just looks at him and says
"not so f*****g funny when its your mum is it"