1.
Insult: "No shit Sherlock."
Comeback: "Likewise Watson."
2.
Insult: "No shit Sherlock."
Comeback: "Fu*k you Watson."
3.
Insult: "No shit Sherlock."
Comeback: "Keep digging/Dig deeper Watson."
4.
Insult: "No shit Sherlock."
Comeback: "Try again Watson."
5.
Insult: "No shit Sherlock."
Comeback: "Thank you Watson. :D"
6.
Insult: "No shit Sherlock."
Comeback: "You're right. Quite elementary, my dear Twatson. :D"
7.
Insult: "No shit Sherlock."
Comeback: "Well I wasn't expecting you to understand, was I Watson."