In drinking tea, if you take a stem in the mouth it means an enemy; you must bite it and throw it over the right shoulder.
Central Maine.

In drinking tea, if you take a stem in the mouth it means an enemy; you must bite it and throw it over the right shoulder.
Source: Current Superstitions (1896), entry 1326.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.