Possible Clues:

• ___ Beanies (late-'90s limited edition Beanie Babies)
• Like a yellow polka dot bikini in a 1961 #1 hit
• ___ Beanies: little stuffed animals
• Adjective for a bikini, in a 1960 song
• "Itsy Bitsy ___ Weenie Yellow Polka Dot Bikini"
• Like a yellow polka dot bikini in a 1961 No. 1 hit
• Like the 4-Down in a 1960 chart-topper
• Like some Beanie Babies
• Like the bikini in a 1960 #1 hit
• Small, as Beanie Babies