Letters that make billyo
o, b, l, i, y are letters that make 'billyo'
billyoh is a word created by adding a letter to 'billyo'
1 possible definitions for 'billyo'
Under this definition, billyo is a noun and has the following properties:
billyoh, billy-ho, all get out have the same meaning as 'billyo'
'billyo' can be a type of large indefinite quantity, large indefinite amount.
"British say `it rained like billyo' where Americans say `it rained like all get out'"