It is an area of marshy wetland formed by the thick growth of a plant (a moss) called "Sphagnum".
soft
Soft
Boghte, bog, bláith
In Irish it's "bog"
Yes it can mean (is slang for) a toilet. It is also a large deep area of sphagnum moss (as in an Irish peat bog).
As a noun in Irish Gaelic: portach (bog/turf-bank) móinteán (bog/moor) corrach (bog/marsh) criathrach (pitted bog) Since you did not specify which Gaelic, the Scottish Gaelic terms are: boglach/bog/bogach fèithe sùil-chruthaich/sùil-chritheach/sùil-chrith blàr-mòine mòine easg carr
'Will' is not an Irish word and has no meaning in Irish.
'Colt' is not an Irish word. The Irish word for colt is bromach.
Not an Irish word.
'Brandie' is not a word in the Irish language.
'Late' is a word in English not Irish.
It's not a word in Irish Gaelic.
The Irish phrase "Tóg (go) bog é." would sound approximately like "thóg (guh) bug ae". It means "Take it easy".