There are so many ways to cheat at blackjack though, and we don't recommend any of them. Actually cheating at a
online casino games can get you in big trouble with the law, and you probably don't want to tangle with the security at a casino either. This is more of an intellectual discussion of cheating as it pertains to blackjack, rather than a "how-to" manual.
Spooking – the act of standing behind a dealer, peeking under his hole card and giving the information to a partner who sits at the table and actually plays with a dealer.
As for a spook, he is described as the following:
A spook – a team member who stands behind a dealer’s back and peeks under his cards with further giving of information to his partner at the blackjack table.