Ukeme means ability. Ukeme is a generous, kind, loving and selfless person. She/he can be a bit too much some times and can be very petty but they're the best person to have on your team.
en ukemannen refers to someone only being available for one week. like you meet someone but you only see them for one week before they dissapear
følger timeplanen/en ukemannen: I will be teaching you for the rest of the school year and we will have so much fun.
tau: the best i can do is one week