Buttload

BUTT LOAD: about six seams.

Source: wiktionary

The farmers near the fishing towns in the same district [Cornwall] likewise buy the refuse of bruised and small pilchards, which are rejected as unfit for curing or the market, and are called caff, four cart-loads of twelve bushels each being considered as the quantity proper for an acre. […] The butt-load formerly cost about 9s. or 10s. but they now fetch 15s. or 20s. the load.

Source: wiktionary

The different kinds of manure usually employed in this neighbourhood are sea-weed, sand, stable-dung, ashes, and fish-dung. The quantities vary so much according to the condition of the land and other circumstances that it is impossible to state with any degree of accuracy what quantity is applied to the acre. In one of the conditions of leases previously quoted, it is stipulated that 10 butt-loads of good town or fish dung, and 10 butt-loads of sea-sand (to be mixed with the necessary quantity of earth) shall be carried for every acre broken up for tillage.

Source: wiktionary

We spent all day Sunday and picked up a buttload of pecans.

Source: wiktionary