teacup (teacups plural ), tea-cup
1 n-count A teacup is a cup that you use for drinking tea.
2 phrase If you describe a situation as a storm in a teacup, you think that a lot of fuss is being made about something that is not important.
(BRIT)
Both are trying to present the disagreement as a storm in a teacup.
in AM, use a tempest in a teapot