Sale! Buy BHO Online $170.00 – $850.00 Buy BHO Online. Dabs or dabbing are slang names for the use of concentrated butane hash oil (or BHO). It is a relatively new method of administering/ingesting cannabis that involves the inhalation of highly concentrated tetrahydrocannabinol (THC), the main active chemical in cannabis. This concentrated form is produced through a chemical process using butane oil. Select options