- like billy-o
- light a fire under
- like blazes
- law distrain
- lumble
- lewdness
- leaving aside
- lineaments
- louse
- locus
- locoweed
- like a bag of bones anorexic
- lose one's rag
- lickety-split
- leaving a lot to be desired
- little girls' room
- lay low
- loadsamoney
- low-spirited
- lighthearted
- loadsa
- light fire under
- little girls' boys' room
- lady of the night
- lassie
- lick someone's boots
- lonesome
- leave flat
- lots
- ludic
- lauded
- locum tenens
- little boys' room
- lame-brained
- let the grass grow under one's feet
- long-headed
- larrup
- laundered
- lippy
- like a bear with a sore head
- loo
- lamebrained
- loose woman
- little-bitty
- lam-brain
- laugh-a-minute
- lowdown
- long-faced
- lead up the garden path
- lubberly
- loads
- lid up
- light out
- lav can
- locum
- lamebrain
- lav
- legless
- like a cat on a hot tin roof
- lame-brain
- lady of pleasure
- lolly
- lo
- loopy
- loony
- l.s.d
- loco
- lashings
- lubber
- like a cat on hot bricks
- loathly
- like a dog with two tails
- lose one's mind
- lummox
- lose one's marbles