The punchline is too long.
Because they were bard.
Has the fail whale been stalking me. Help, stranger danger!
When he was told to "go big or go home," he only had one option. (I've posted this joke here before, but I believe I've been the first, so if you recognize it as a repost it's because I wanted to tell it again!)
Gopher gold.
H Edit: I don't like explaining jokes but since the first guy didn't get I might as well: When pronounced in a French accent it sounds like ash.
zzzzzzzzz, wait, I fell asleep at the punchline.
Three. One to get the punchline, and one to point out the math is wrong.