Avast!
»Avast!» (Stage-Land 82. 8.)
A sailor.
Sailor slang = Hold! Stop!
The term is much used by landlubbers who desire to get local colour cheap.
Little-go
»Perhaps you’d get through your Little-go in the course of the next few years.» (They And I. 7. 21.)
Conversation between a young lady and her brother, who is a student.
At Cambridge, Little-go is the common name for the public examination which candidates for an »ordinary degree» have to pass in the second year of residence.