This is the 17484th most frequent Russian word.
топлю
"Топлю" means "I am heating" (e.g., a stove) or "I am sinking" (e.g., a boat), depending on the context.
In this sentence, "топлю" is used in the sense of heating or making a fire, specifically in relation to an oven or stove.
Я топлю печь дровами.
I am heating the stove with wood.
Here, "топлю" is used figuratively to mean supporting or advocating for something.
Я топлю за честность.
I stand for honesty.
In this context, "топлю" refers to the act of intentionally sinking or submerging something in water.