Slattern

streetwalker: a prostitute who attracts customers by walking the streets.

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Parbreak

vomit

Perambulate

1. to walk about, roam or stroll
2. To inspect (an area) on foot

wiki

Resile

1. Formal : To abandon a position, agreement or course of action.
2. To bounce back or recoil
3. To withdraw or retreat

source

Expurgation

The act of purging, or cleansing; purification from anything noxious, offensive, sinful, or erroneous. wiki

Spry

Nimble, active.

Zeroshift

Zeroshift or seamless-shift gearbox is a type of automotive transmission which allows for changing gear without interruption of torque to the driving roadwheels. The Zeroshift principle was invented by Bill Martin, the company Zeroshift Ltd is based in Milton Keynes, England.