knock knock

• -knock knock!
  -doris.
  -doris, who?
  -doris locked, that's why i had to knock
  
  -knock knock!
  -who's there?
  -i love.
  -i love who?
  -i don't know, you tell me!
  
  -knock knock!
  -who's there?
  -yo momma.
  -yo momma, who?
  -seriously, it's yo momma, open the damned door!
  
  şeklinde ufak sırıtmalara sebebiyet verebilen şakalardır.