1 definition by BigErn

An ill grimace used to deter potentially harmful and unwanted train passengers from invading your personal space while commuting on the train.
Yeah...I'm already on my way, Chief. You should see this primo trim on the train right now! I'd step to her to say what's up, except I'm still half-hammered and didn't shower yet.

...plus she's got the TRAIN FACE in full effect. I'll just perv out on yo' moms when I swing through instead. Peace.
by BigErn May 8, 2008
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