Whiting-mop

...his silence must be, that though he beare and understand himselfe wronged, yet he must be as dumbe as a Gudgeon or a Whiting mop: and though his mouth be shut...

Source: wiktionary

Chartley. Fear not, girl. Though I revel abroad o' days, I'll be with thee to bring o' nights, my little whiting mop.

Source: wiktionary

Bustopha. [Reading.] The thund'ring seas whose wat'ry fire Washes the whiting-mops, The gentle whale, whose feet so fell Flies o'er the mountains' tops—

Source: wiktionary

Mistress Birdlime. I see bashful lovers, and young bullocks, are knocked down at a blow. Come, come, drink this draught of cinnamon-water, and pluck up your spirits; up with 'em, up with 'em. Do you hear? the whiting mop has nibbled.

Source: wiktionary