“Verb
to spoon (third-person singular simple present spoons, present participle spooning, simple past and past participle spooned)

1.(intransitive, now rare) To flirt; to make advances, to court someone, to interact romantically or amorously with someone.  [quotations ▼]
1913, DH Lawrence, Sons and Lovers, Penguin 2006, p. 197: Do you think we spoon and do? We only talk.
2.(intransitive, colloquial) To lie nestled together front to back in a manner reminiscent of spoons laid side by side in a drawer; usually has a mild sexual connotation.”

It’s sexual. Perhaps this woman was using it with an incomplete knowledge of either the archaic meaning or the modern one, but whatever the case it is indeed a fail.