Add variety to your laughter by starting with low tones and ending with a higher pitch, or vice versa.
More breathy-ness will make your laugh sound more genuine. There are typically more breathy parts in natural laughter than faked. [4] X Research source
Aim for a volume for your laughter that is around the same volume of those laughing around you, or that is about the same volume as conversation. A general guideline when faking: don’t allow your laughter be so loud that you cannot hear conversation over it.
Be sure to smile throughout this process. Smiling triggers tiny muscles in your face to flex and wrinkle, imitating the look of natural laughter. [8] X Research source
Observe the expressions of those around you. When you notice the upward pointing “laugh lines” softening back to a more neutral expression, you should begin wrapping up your laughter.
Funny events from your personal life, like the antics of a comedic aunt or cousin at a family party, can serve well as laugh bank material.
“I wish I had thought of that one!” “I’ve never heard that one before. Where’d you hear it?”
Boss: What do you call a cow with no legs? (followed by silence) You: Hungry?
“Sure I thought it was funny. I was just laughing on the inside. " “I’m sorry, I didn’t hear you - what did you say?”