Tampo is a Pilipino word which has no direct translation to English. The nearest translation would probably be "to sulk". I don't even know if Americans make "tampo".
Usually,Tampo is manifested in the withdrawal of affectionate or cheerful behavior, and its expression is almost entirely nonverbal.
Normally a person who makes"tampo" is unusually quiet, refuses to eat, not joining in the group or withdrawing from the group or simply keeping to himself.
These are usually efforts to get the offending or other party to make amends, and if these behaviors do not work, one might choose to escalate them, perhaps to foot-stamping, door-slamming, or muttering.
In the case of my youngest son Niles, I knew he was already making "tampo" since:
1) He didnt want to be photographed
2) He was always ahead or at the back of our group
and his reason for his "Tampo"?
1)He wanted to buy the Harry Potter Wand which at $35 was expensive
2) and the Magic Levitator from the Universal Studios Magic Shop-$100
My solution:
I told him I wont buy lunch for him if he continues to make "Tampo". Suddenly his mood changed, he suddenyly decided to talk. Of course he will talk, otherwise he wont have lunch.