Photobomb: The seal is photobombing the penguins' picture.
Fail: Taking a seal-free picture turned out to be a fail.
Da: Da seal is in da picture of da penguins.
Effect of the Technique:
The technique of slang enables authors to submerge readers into a topic through dialog or quotations. It also brings a sense of realism to the piece as a dialog of a character portrayed as a poor farmer in the 1800s speaking proper English would not allow the piece to reach its full potiental.