Bite the dust and Buy it

Buy it and bite the dust are semantically related in kick the bucket topic. In some cases you can use "Buy it" instead a verb phrase "Bite the dust".

Buy it verb - Be killed or die;.

Bite the dust and buy it are semantically related in pass away topic. You can use "Bite the dust" instead a verb "Buy it", if it concerns topics such as come to an end.