Often misused as meaning unfazed, but actually means bewildered.

(Verb) Unable to act, speak, or think; bewilderd

confused, bewildered

When someone is lickin' on a D

When your bank card won't work at another bank's ATM because your bank is on the Plus System debit network, but the ATM is not.

Bemused. This is the adjective derived from the verb nonplus.

Oxford Dictionary:
nonplussed: (of a person) surprised and confused so much that they are unsure how to react.

Part of speech: adj.

Someone that doesn't have a Google+ Account, or perhaps any other social network account. A person who may have no knowledge of social networks.