(informal) terrific, awesome

(informal) extremely well

of the century (biggest, greatest in living memory) / of a lifetime, once-in-a-lifetime

(informal) hop it! shoo! begone! push off! be off with you!

(derogatory, relational) amateur, weekend

(informal) hop it! shoo! begone! push off! on your bike!

quiet! calm down!

go on! give it some welly! put some welly into it! buck up!

(informal) a hell of a, hellish, huge

du Plessis: a surname