while i was eating my hot 4'n'20 (pie), i saw a smoking 4'n'20 (attractive under-age person)
pronounced (for-en-twen-tee)  typically used to describe a person who is not of legal age for sexual activity
"while i was eating my hot 4'n'20 (pie), i saw a smoking 4'n'20 (attractive under-age person)" What is the definition of "4'n'20"?