One popular lawyer joke—yet another on the theme of killing lawyers—is:
 
Q:  If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A:  It might be your bicycle.
 
The joke has been cited in print since at least 1990.
     
 
Google Groups: rec.humor
Lawyer Jokes Needed!
Robert C. Whitehead
8/7/90
(...)
Q:  If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A:  It might be your bicycle.
 
Google Groups: bit.listserv.hellas
Anekdota dikhgorwn (synexeia)
Panagiotis Lolonis
12/21/91
(...)
Q: If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A: It might be your bicycle.
   
Google Groups: rec.humor
Lawyer jokes
Bill Bringman
1/17/92
(...)
Q:  If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A:  It might be your bicycle.
     
Google Groups: alt.tasteless.jokes
Lawyer Jokes
Ben Magid
11/8/92
(...)
Q:  If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A:  It might be your bicycle.
 
Google Books
The Joke’s On… Lawyers
By Stan D. Ross
Sydney: The Federation Press
1996
Pg. 57:
Q: If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A: It might be your bicycle.
 
Google Books
The Lawyer’s Joke Book:
There Are Some Things a Rat Just Won’t Do
By John Patrick Dolan and Dale Irvin
Charleston, SC: Advantage Media Group
2008
Pg. 63:
If you see a lawyer on a bicycle, why don’t you swerve to hit him?
It might be your bicycle.
 
Twitter
Bob Kostic
‏@causticbob
Q: If you see a lawyer on a bicycle, why don’t you swerve to hit him?
A: It might be your bicycle.
4:54 PM - 7 Nov 2015