rzecz.

flap; dab; slap (a blow with the palm of the hand or anything flat); spank (a slap of this kind); pat; spat; swat; flop ((a) flopping movement); skelp; slat; spanker; thumper; tap; clap up; clap; smackeroo; smack ((the sound of) a blow of this kind; a slap); Klap (КГА)

amer.

paddy; paddywhack

Gruzovik, nief.

clod of earth sticking to something; mass of earth sticking to something; lump of earth sticking to something; clod of clay sticking to something; mass of clay sticking to something; lump of clay sticking to something

makar.

smack (звонкий)

nief.

smacker; clod; mass lump of earth, clay etc. sticking to something; whip breech

slang

potch; dry slap (Expression supposedly invented by actor MikeRead, for the Frank Butcher character he played in a TV soap, Eastenders.E.g."You'd better show him some respect before he gives you a dry slap." SergeyIvanko)

шлёпки rzecz.

mule shoes (разг. 'More); pool shoes (chernika); slide shoes (chernika)

nief.

flip-flops (Rudy)

slang

slippa (hawaiian slang for "flip-flops" or "thongs" Taras)

шлепки rzecz.