Wolfgang, known as Wolfie or Wolf, turned 34 years old on Sunday, March 16, and his mom Bertinelli, 64, marked the special occasion with a funny Instagram ... the rock band he formed in 2020 ...

Said processing appears to have run its course, though, as multiple outlets are reporting leaked jokes that Rock has been trying out in front of audiences in shows leading up to the Netflix special.

From tongue-in-cheek innuendo to out-and-out goofs, the annals of rock music history are full of good jokes.