begad, int. Not in polite use.
(bɪˈgæd)
[Altered form of by God; cf. bedad, begar.]
An exclamation, used to give weight to a statement.
| 1742 Fielding J. Andrews (L.) ‘Begad, madam’ answered he, ‘tis the very same I met.’ 1848 Thackeray Van. Fair II. iv. 39 Only one, begad, in the World. |