n. & v.
n. loam or clay mixed and prepared for making bricks, pottery, etc.
v.tr. (pugged, pugging) 1 prepare (clay) thus. 2 pack (esp. the space under the floor to deaden sound) with pug, sawdust, etc. pug-mill a mill for preparing pug. pugging n.
[ 19th c.: orig. unkn. ]