~ 1
■ verb ( ~s , ~ding , ~ded ) ( ~ about/around ) informal go from place to place in the pursuit of pleasure.
Origin
ME: back-form. from obs. ~ling 'wanderer, vagabond', (earlier) 'companion', of Gmc origin.
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~ 2
(also by ~ )
■ exclamation archaic expressing surprise or emphatic assertion.
Origin
C15: euphemistic alt. of God .