I looked it up, it's in the official Scrabble dictionary.

http://scrabble.hasbro.com/en-us/tools#dictionary

Anyway, sorry for missing last week, but here I am again, I'm back.

Family is playing scrabble

Daughter plays

Mother: Honey, spliff is not a word.

Daughter: Yes it is mum.

Mother: Then what does it mean?

Daughter pauses

Daughter: It isn't a word.

Bonus panels

Mother and father in bead

Father: You do know what a spliff is right?

Mother: Of course.

Mother: I had my eye on that triple word score.