It means Best On Ground
bog off means that you are telling some one to go away but not very nicely
bog
normal standard
BOG.............Its a freaking mudhole
Don't mean to be pedantic , but the use of mo chara, isn't right in this context. Mo chara does mean 'my friend' but in the context above it would be a chara.Also the correct way of writing the phrase is Tog é go bog é the go gives it the adverb . Bog = soft; go bog = softlyTog é go bog é , a chara.
bog off means that you are telling some one to go away but not very nicely
I need a bog break
Soft
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).
wetlands, mire, bog
Since Polish is a Slavic language, I think it's "God", since Bog=God in all of them.