EXAMPLES FROM THE WEB FOR SWIG
I now went ashore at Charleston, and had my swig, as long as the money lasted.
I don't care ef there's a dozen on 'em;' and he took a swig at his bottle.
Instead, however, of jumping at the chance, he took a swig at a flask of cognac.
And Swig says: "Well, Mr. Febrile, have you ever acted ill?"
Maybe, like as not, a swig o' rum ud sweeten his bilge, sir.
Then let us have a swig at the colonel's port—it's the best in the county.
Grousing because he can't sit in an easy-chair and swig toddies no end!
It was "have a swig of this, Froggy" or "get yourself around that, Frenchy."
He took a swig of pineapple juice and passed the can back to Harold.
She lifted my flask from the desk, or I could be askin' you to have a swig.
1540s, "drink, liquor," later "big or hearty drink of liquor" (1620s), of unknown origin.