Examples of metaphors in Johnny Tremain:
"The narrow course of Tremont Street was filled to the brim and overflowing with the waiting scarlet-coated men."
Crowded street/ overflowing cup
"'That squeak-pig [Mr. Tweakie] is trying to horn in on breakfast."
Mr. Tweakie/ squeaking pig
“wicked round eye.”
musket barrel/ wicked round eye
Johnny Tremain