The act of spending an excessive amount of time on a task that has no beneficial outcome but commands complete attention. This is an entirely subjective state of mind which cannot be shared or understood by those who have not experienced this condition.
Tim: So, what did you get up to over the weekend Ted?
Ted: Well, I bought a jar of pot rivets and spent 37 hours sorting them into sizes.
Tim: That was proper pantsface Ted.
a person who is so ugly that you wish you could rip off their pants and shove them on top of their head.
This biddy Julia was real into me last night but she was a pantsface so I passed her off to one of my fat friends.