Wiktionary
kerslap
adv. With a sudden slap or loud slapping blow. n. A sudden slap or loud slapping blow.
Usage examples of "kerslap".
Shakers was all goin kerslap to the Promist Land, and nobody want goin to stand at the gate to bar 'em out, if they did they'd git run over.
I pittid the Octoroon from the inmost recusses of my hart & hawled out 50 dollars kerslap, & told her to buy her old muther as soon as posserbul.