Meaning

verb throw or toss with a light motion

noun the act of flipping a coin

verb lightly throw to see which side comes up

originFrom Middle English tossen (“to buffet about, agitate, toss; to sift or winnow”), of uncertain origin. Perhaps from Old Norse (compare dialectal Norwegian tossa, dialectal Swedish tossa (“to strew, spread”)), or perhaps from an alteration of Middle English tosen (“to tease, pull apart, shred; to wound, injure”). Compare also Dutch tassen (“to pile or heap up, stack”). The Welsh tos (“a quick…

Etymology from Wiktionary, CC BY-SA 3.0