A best man’s speech should be funny, heartfelt, and highlight your adventures with the groom. Whether you’re a friend, brother, or brother-in-law, check out our top 10 examples for a funny best man speech.A best man’s speech should be funny, heartfelt, and highlight your adventures with the groom. Whether you’re a friend, brother, or brother-in-law, check out our top 10 examples for a funny best man speech.