If his "I"s sound like "ah"s, then the blind guy was offering to tell a blind joke, not a blonde joke. The blondes misunderstand, but then he makes a blonde joke at the end anyway.
Just a variation to add a misdirection before the punchline, but I guess people didn't appreciate or get it.
HolyGonzo t1_j99h242 wrote
Reply to comment by Mental_Cut8290 in A man walks into a bar and asks for the bill by Queasy_Doughnut7507
If his "I"s sound like "ah"s, then the blind guy was offering to tell a blind joke, not a blonde joke. The blondes misunderstand, but then he makes a blonde joke at the end anyway.
Just a variation to add a misdirection before the punchline, but I guess people didn't appreciate or get it.