Chemdog is a staple strain in cannabis and may be a source of powerhouse strains like Sour Diesel and OG Kush, Chemdog is known for its distinct, diesel-like aroma. Pungent and sharp, you’ll be able to smell this strain from a mile away. Cannabis newbies be warned: Chemdog tends to be very potent. Consumers can expect to have a cerebral experience, coupled with a strong heavy-bodied feeling.