Informal Tiny. Often used in combination: a little bitty baby.
Chiefly British Composed of small segments lacking cohesion; fragmented: "The play finally jerks its disjointed and bitty way to an arbitrary conclusion” ( Martin Hoyle).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.