Green’s Dictionary of Slang

sallikatowzer n.

a (knock-out) blow.

E.H. Shackleton ‘Shellback’ in Aurora Australis n.p.: And his body was lusty and strong as that of a young man, for could he not with one biff, which is to say, sallikatowzer, of his clenched hand, totally flummax, or in the modern tongue, put to sleep, a fullgrown and stalwart man.