bag skate
n.— «Under the cold and watchful scowl of head coach John Paddock, the 75-minute workout ended with another painful and exhausting “bag” skate of nearly 15 minutes.» —“Jets feel cold sting” by Don Campbell Winnipeg Free Press (Manitoba, Canada) Nov. 23, 1993. (source: Double-Tongued Dictionary)
Further reading
In 1968, students at Cheyenne High School in Cheyenne, Wyoming, compiled a collection of their own slang, including the word Clyde, used to refer to one’s head, as in Use your Clyde! This is part of a complete episode.
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