We don't have synonyms for dabber yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are jabber, dabbler and dibber.
(n) :
Alternative form of dauber (“marker pen used for bingo cards”). [(derogatory) One who, or that which, daubs; especially, a coarse, unskillful painter.]
(n) :
Alternative form of dauber (“cushioned pad used for applying ink”). [(derogatory) One who, or that which, daubs; especially, a coarse, unskillful painter.]
(n) :
Alternative form of dauber (“marker pen used for bingo cards”). [(derogatory) One who, or that which, daubs; especially, a coarse, unskillful painter.]
(n) :
Alternative form of dauber (“cushioned pad used for applying ink”). [(derogatory) One who, or that which, daubs; especially, a coarse, unskillful painter.]