in reference to a male or female who, from far away, appears hot, attractive, sexy; however as you get closer, you realise they are not. at all. that person is a 'deceiver'
Jake: 'hey man, check out that hottie.'
Rob: 'yeah, i'd do her.'
(person gets closer)
'Oh no! deceiver!'
when a man skips shaving for a couple of days and and the excess facial hair growth makes it appear as though he's going through an emotional crisis. this may or may not be the case.
Jim: 'Man, Jake's looking pretty terrible, he hasn't shaved in days.'
Mel: 'Yeah his girlfriend broke up with him - he's going through an emotional cristache.'