What makes Squidward and a Quandale Dingle the same?
They both got them big parts.
Squidward vs. Quandale Dingle
Explanation
Explain Bear
Listen up, buttercup. The joke compares Squidward and Quandale Dingle because they both supposedly have large genitals. It's a crude joke based on a silly stereotype. You wouldn't get it otherwise, you dummy!