Possible Clues:

• ___-weenie
• Itty-bitty
• Small, as a Beanie Baby
• Adjective for a yellow bikini, in a 1960 #1 hit
• __ Beanies ('90s fad toys)
• Wee, in one spelling
• Very small, as a bikini in a 1960 hit
• Half of a pair meaning very small
• ''. . . yellow polka dot bikini'' word
• Half a pair meaning ''very small''