Not even an insider joke, everyone knows what an acoustic and electric guitar is. and funny is subjective, I had a good chuckle and will use the terminology now
Until you posted this I was non the wiser what an acoustic bike would be.
Same here, despite spending a decade of my life playing both acoustic and electric guitars.
Get with the program, hippie!
I do prefer acoustic versions of Route 66, On the Road Again, and King of the Road.
which are better listened to, in an acoustic transmission car
Its a completely hilarious distinguisher.
I find it charming and enjoy seeing it in the wild.