The key to keeping the mortar fluid and 'pumpable' lies in using the correct type and quantity of plasticisers. These along with other secret ingredients are what differentiates the really good gun injection mortars, such as Easipoint, from plain old sand and cement, and make the whole concept workable.
A boy gives his friend a holla on the phone. The definition of holla, or hollo, is a slang term meaning holler, which is a shout or call. An example of holla is giving someone a call on the phone; give them a holla. holla. holla.
Top definition. hollar. (also spelled holler in some areas, especially Kentucky) A very old Southern USA term meaning down the road a spell or, more accurately, down in the valley a ways.. Used a couple of hundred years before anyone had ever heard of Gangsta or white, pasty people misusing Gangsta words..