Dictionary
tit•tup
Pronunciation: (tit'up), [key]
—n., v., -tuped, -tup•ing or (esp. Brit.) -tupped, -tup•ping.
Chiefly Brit.
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n.
an exaggerated prancing, bouncing movement or manner of moving.
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v.i.
to move, esp. to walk, in an exaggerated prancing or bouncing way, as a spirited horse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.