(third-person singular simple present train surfs, present participle train surfing, simple past and past participle train surfed)
"train-surf." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/train-surf>.
train-surf. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/train-surf
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