"(stress on first syllable), crooked, awry. 'He gets his clashes all camsthram' might be said of an unskilful ploughman. 'Clashes,' furrows. Manxcam, crooked, and probably trom, a weight, load. Irish has leath-trom, lop-sidedness, literally 'side-weight,' bearing to one side."
—W. Walter Gill, Manx Dialect Words and Phrases, 1934, online here.