Tractate Sanhedrin, Herbert Danby tr. [1919], at sacred-texts.com

13. Who curses His Parents.

8b. He who curses his father or mother 2 is not guilty until he curse them by the Name; if he curse them under a pseudonym 3 R. Meir would hold him guilty, but the majority innocent.

Footnotes

102:2 Exod. 21. 57; Lev. 20. 9.

102:3 Making use of one of the attributes instead of the actual Name itself; e.g. "the Almighty," "the Longsuffering," etc. See Mishnah Shebu’oth IV. 13.