WordNet sense 1 (a short light oar used without an oarlock to propel a canoe or small boat):

boat paddle

WordNet sense 2 (play in or as if in water, as of small children):

dabble, splash around

WordNet sense 3 (walk unsteadily):

dodder, toddle, totter, waddle, coggle

WordNet sense 4 (give a spanking to; subject to a spanking):

spank, larrup