When I Burp, I Feel Like A Real Light Pop In My Left Ear. It Doesn't Hurt, But It Does Bother Me, I Feel Like My Ears Are Dirty , But There Not.

There can be many reasons for it. It can be an infection of ear or during bathing some water went in and causing problem when you burp. Please visit the following website to get to know about different ear diseases and symptoms.
Ear Diseases