the river ain't green on st.patric's day

[tongtisto]

please help me for the meaning of the xpression above,thank you so much.

 

[emsr2d2]

Please help me [STRIKE]for[/STRIKE] with the meaning of the expression above. Thank you so much.

Welcome to the forum.

I have never heard the expression you posted. Note that it should be St Patrick's Day.
Where did you find the expression?

Remember to use correct capitalisation and punctuation in your posts. See my amendments in red.