Definition of gubbins:
(n) :
(British, informal) Assorted stuff, especially if of little value; tat.
(n) :
(UK, informal) Silly person; fool.
(n) :
(obsolete) Fragments; parings; scraps (especially of fish).
(n) :
A surname originating as a patronymic.
(n) :
(folklore) A half-savage race said to live in Devonshire, described by the pastoral poet William Browne, among others.