Rahul Dravid (Ra-HuL-Dra-Vid)

n.
1. An upright structure of masonry, wood, plaster, or other building material serving to enclose, divide, or protect an area, especially a vertical construction forming an inner partition or exterior siding of a building : The Wall

2. Proficiency in a practical or mechanical skill : Superior Technique

A polite term for shoving a lubricated probe into the Earth's hole to release gas.