"dawdle, dally," 1862, lallygag, American English, perhaps from dialectal lolly "tongue" + gag "deceive, trick." Related: Lollygagged; lollygagging.
loll
lollapalooza
Lollard
lollipop
lolly
lollygag
Lombard
Lombardic
Lombardy
London
Londoner