2. behaving in a hesitant, cagey manner, often arousing suspicion.
Interviewee (looking around): I'm wiggy?
Interviewer: Would your previous employer vouch for you?
However, Wiggy used in the wrong situation, can be fatal and can ruin the mood of most people.
Right: Haha, can't believe I won you again! Wiggy!
Wrong: Just had a poo! Wiggy!