a significant other in which you have previously been in a relationship with, hence, the microwave portion of the term signifying a redo, or "re-heat" the romance if you will
"did you hear that jack is taking on the microwave love path with his ex?!"
a significant other in which you have previously been in a relationship with, hence, the microwave portion of the term signifying a redo, or "re-heat" the romance if you will
"did you hear that jack is taking on the microwave love path with his ex?!"