It's a shortened term for puteo, which is Latin for "to stink, be redolent, or smell bad.
pu
If someone says they are puzzled, it means they are confused or uncertain about something and are looking for clarity or understanding. They may be struggling to make sense of a situation or to find a solution to a problem.
If someone says that they validate you as a person, they mean that they consider you to be a worthwhile person.
what does it mean for someone to be attracted to you
what does it mean when someone says stalactites stem from the ceiling of a cave
they are interested in you
what does it mean when someone says "you have lost your reason and taken the wrong path?"
When someone says they are pining for someone this means their heart aches and they miss that person and that is all they can think of.
If you don't ask him out, he could end pu with someone else, so it is beter to ask him. If he says yes, lucky you. If he says no, then you can move on.
They mean get your act together.
It could mean they are amazed.
KAMA