Tom-noddˈy noun

1. The puffin
2. A fool

Tomˈ-trot noun

A kind of toffee

Long Tom

A long gun, esp one carried amidships on a swivelling carriage

Old Tom

Gin

Tom, Dick, and/or Harry

1. Anybody
2. People in general (also (old) Tom and Tib)

Tom o’ Bedlam

Formerly, a madman let out of an asylum with a licence to beg

Tom Tiddler's ground

1. A place where wealth is to be had for the picking up
2. Debatable land
3. No-man's-land (from a children's game so called)

Uncle Tom see under uncle