A popular joke—so bad it’s been called a “dad joke”—is:
 
Q: What’s the difference between a dirty bus stop and a lobster with breast implants?”
A: One’s a crusty bus station, and the other’s a busty crustacean.
 
“What’s the difference between a lobster w/ a boob job and a greyhound bus stop? 1’s a crusty bus station, 1’s a busty crustacean” was posted on Twitter on August 11, 2009. “Crab” is sometimes used instead of “lobster.” “Whats the difference bewteen a crab with big tits and a Greyhound Bus terminal? Ones a busty crustation, and the others a crusty bus station” was posted on Twitter on March 5, 2010.
 
The joke has been printed on many images.
   
   
Twitter
brian heyman
‏@brian_heyman
jackie: what’s the difference between a lobster w/ a boob job and a greyhound bus stop? 1’s a crusty bus station, 1’s a busty crustacean
8:07 PM - 11 Aug 2009
 
Twitter
RussianSouvenirs
‏@jthes
Whats the difference bewteen a crab with big tits and a Greyhound Bus terminal? Ones a busty crustation, and the others a crusty bus station
11:27 AM - 5 Mar 2010
 
Reddit
What’s the difference between a dirty bus stop and a large-breasted crab?
submitted March 20, 2013 by StevelKanevel
One’s a crusty bus station, and the other is a busty crustacean.
 
Reddit
What’s the difference between a dirty old bus station and a lobster with boobs?
submitted August 13, 2013 by dcflynn
One’s a crusty bus station, and the other is a busty crustacean.
   
BuzzFeed
67 Jokes That Will Make You Go “Ba Dum Tss”
Three men walk into a bar… Ouch!
posted on Apr. 18, 2014, at 3:45 p.m.
Tanner Greenring
(...)
21. What’s the difference between a Greyhound depot full of old people and a crab with big boobs?
One’s a crusty bus station, and the other’s a busty crustacean.
 
Reddit
What’s the difference between a dirty bus stop and a lobster with breast implants?
submitted January 25, 2015 by wilkben
One’s a crusty bus station the others a busty crustacean
 
Google Books
Dad Disasters:
When Dads Go Bad
By Ian Allen
New York, NY: Pavilion Books
2016
Pg. ?:
What’s the difference between a –oi dirty bus stop and a well-endowed female lobster?
One is a crusty bus station, the other is a busty crustacean,
 
Google Books
Unexpectedly Yours
By Coleen Kwan
New York, NY: Macmillan
2016
Pg. ?:
“What’s the difference between a dirty bus stop and a lobster with implants?”
 
“I don’t know. What?”
 
“One’s a crusty bus station and the other’s a busty crustacean.”
   
a plus
15 Of The Most Embarrassing Dad Jokes Of All Time
Please stop.
CAMILLE LAWHEAD AUG 05, 2015
(...)
14. “What’s the difference between a dirty bus stop and a lobster with breast implants?”
“One’s a crusty bus station, and the other’s a busty crustacean.” -truth_artist
 
Reddit
What’s the difference between a large chested lobster and a dirty bus stop?
submitted September 27, 2016 by wesbraker
One’s a busty crustacean and the other is a crusty bus station.