Popularized during WWI, what does the love letter sign-off “SWAK” mean? Quiz Answer

Popularized during WWI, what does the love letter sign-off “SWAK” mean?

The Correct answer is Sealed with a kiss

"SWAK" stands for "sealed with a kiss." It was a popular sign-off used in letters, particularly during World War I, to indicate that the letter was sealed with a kiss, either literally or figuratively.