squinter

the seasoned poker player was a notorious squinter, always hiding his tells.

he's a notorious squinter, making it impossible to read his expression.

don't be a squinter; show some emotion when you're talking to people.

the negotiator was a skilled squinter, maintaining a neutral facade.

she's a natural squinter, rarely revealing her true feelings.

he tried to play the squinter, but his nervous fidgeting gave him away.

the politician was a practiced squinter, avoiding direct eye contact.

stop being a squinter and tell me what's really bothering you.

the child was a little squinter, staring straight ahead without smiling.

he's a classic squinter, never letting on what he's thinking.

she accused him of being a squinter and not being genuine.