In reference to dating and relationships.It's and older man or woman who may be retired or not and is in a relationship with a younger man or woman who are usually twice or three times the age of the younger man or woman.
A gesture; when a person holds two fingers two their head in anger, frustration or anguish. The anxiety may originate from something being forgotten or misplaced.
Derives from the latin 'pulsus' meaning to beat. One holds their two fingers to their head as if they are checking a pulse.