bosser

noun

1. (rare)A bossy person, one who orders others around.

   “They were all bossers here. Especially the women. They were bossy even when they deared her.”

2. (UK, dialectal)A large marble in children's games.

   “[…] the ultimate winner is the man with the greatest number of marbles when play comes to an end. The games at Battle at the present time are played with glass marbles and locally made “bossers” of concrete.”

   “Modern children, having only machine-made glass marbles, are restricted to names describing their size, or the names under which they are sold, or fanciful names of their own inventing. Thus big marbles are big 'uns, bossers, bulls or bullies[…]”

3. An instrument used to push clay into a mold.