The penguins refered to in this statement are also those people known as "conformists". whether the statement is made by someone in an office or at school, it is often stated by a non-conformist. Penguins, who all look alike,act alike, and huddle together, all seem the same. So the statement "Then penguins steal my sanity" refers to the slow decay of one's mind when dealing with the humdrum coexistance with Conformists and robot types.
Penguins end their lives belly up, “burned out bald bugs” buried in a vista of creepy-crawly companions still under the influence of yellow vapors