putter (v.) Look up putter at Dictionary.com
"keep busy in a rather useless way," 1841, originally among farmers, alteration of potter (v.). Related: Puttered; puttering.
putter (n.) Look up putter at Dictionary.com
late 14c., "beast that pushes with the head," agent noun from put (v.). As a type of golf club used in putting, from 1743; see putt (v.).
pucker (v.) Look up pucker at Dictionary.com
1590s, "prob. earlier in colloquial use" [OED], possibly a frequentative form of pock, dialectal variant of poke "bag, sack" (see poke (n.1)), which would give it the same notion as in purse (v.). "Verbs of this type often shorten or obscure the original vowel; compare clutter, flutter, putter, etc." [Barnhart]. Related: Puckered; puckering.