A metaphor used to describe a person's love life. Different love interests are placed on different burners, which can then be turned up or down depending on the owner of the stove's interest in that person from day-to-day.

Four Burner Stove theory states that the healthiest beings have four, and only four, burners lit at a time regardless of their relationship status.
Cody looked so hot last night, his burner's flame went from low to high on my Four Burner Stove.
by Basecamp Badger November 4, 2008
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