concentration tongue
Much like drummer tongue, the act of unconsciously sticking the tongue part way out of the mouth while performing any task requiring concentration.
Billy must find colouring difficult: his concentration tongue is sticking out.
| 俚语 | concentration tongue |
| 释义 | concentration tongueMuch like drummer tongue, the act of unconsciously sticking the tongue part way out of the mouth while performing any task requiring concentration. Billy must find colouring difficult: his concentration tongue is sticking out. |
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