Slap

Slap (?), n. [OE. slappe; akin to LG. slappe, G. schlappe; probably of imitative origin.] A blow, esp. one given with the open hand, or with something broad.

Slap, v. t. [imp. & p. p. Slapped (?); p. pr. & vb. n. Slapping.] To strike with the open hand, or with something broad.

Slap, adv. [Cf. LG. slap, G. schlapp. See Slap, n.] With a sudden and violent blow; hence, quickly; instantly; directly. [Colloq.] "The railroad cars drive slap into the city." Thackeray.