Definition: The word "mantispidJanzen01" is a term used by people who describe their sexual preferences as "marital partners." In this slang form, it translates to "I'm in!" and "My husband is my partner."

Here's an example sentence: "When we go out for dinner, I tell him 'MantispidJanzen01' because he's always the best option." This phrase conjures up a playful, flirtatious tone.