slick back
To make hair flat by putting oil, water, etc. on it.
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Where will you be? Anywhere UK & IrelandUnited StatesOnline slangBusiness jargon
Expressions you’ll hear in the US — distinctly American usage first, then widespread staples.
slick down
To make hair flat by putting oil, water, etc. on it.
slick up
To clean up or organize (something).
slicker
A swindler or conman.
slicksta
Pronunciation spelling of slickster, representing African-American Vernacular English.
slicky boy
During the Korean War, a Korean male who would steal US army goods to resell.
slide off
To leave a place, a meeting, etc., without being noticed; to slip away, slip off.
slim down
To reduce weight; to make or become thinner.
slime
Soft, moist earth or clay, having an adhesive quality; viscous mud; any substance of a dirty nature, that is moist, soft, and adhesive; bitumen; mud containing metallic ore, obtained in the preparatory dressing.
slimebag
A person who is unpleasant or underhanded; a slimeball.
slimebaggery
Synonym of scumbaggery.
slimebucket
Term of abuse.
slimeface
A term of abuse.
slimehole
A lousy, disreputable, or disgusting place.
slimewad
A term of abuse.
slimy
Friendly in a false, calculating way; underhanded; two-faced; sneaky; slick; smarmy.
sling about
Synonym of sling along.
sling ink
To write, especially to make a living.
sling over
Used other than figuratively or idiomatically: see sling, over.
sling the hatchet
To skulk about, not getting work done.
sling up
To set up a hammock.
slip away
To leave without being noticed.
slip back
To return to a previous habit
slip by
To pass without being noticed or intercepted.
slip down
To be easily imbibed; to be easy to drink.
slip in
To include (e.g. a certain word or phrase) into a sentence discreetly
slip off
To leave a place, or a meeting, without being noticed
slip one past
To sneak something through a process or inspection; to hide something or conceal a fact; to prevent attention being drawn to something.
slip past
Synonym of sneak past
slip someone a length
To have penetrative sexual intercourse with someone.
slip through
To get past an inspection or procedure without any issue.
slip under
To succumb to a change of mental state; or by extension, to succumb to a change in control.
slitch
A slutty bitch.
slive
To live life to the fullest while being successful, glamorous, and confident.
slizzard
Intoxicated on alcohol or drugs; stoned.
slob about
Synonym of slob around.
slob around
To laze around in a slobbish manner
slob out
To behave like a slob; to be lazy and careless.
slobette
A female slob.
SLOcal
Initialism of San Luis Obispo.
slock
To poach (a servant) from another household.
slog away
to work hard at something, often for a long time and in a tedious or exhausting manner
slop
Low-quality internet content, particularly that which was created by generative artificial intelligence.
slop shoot
A drinking establishment for US Marines.
slopaganda
Low-quality propaganda, often generated by artificial intelligence models.
slope off
To depart quietly, without being noticed.
sloppy toppy
Oral sex involving excessive saliva.
sloptimism
Naive, unfounded, or overzealous optimism.
sloptimist
One who engages in sloptimism.
sloptimistic
Engaging in, characteristic of, or related to sloptimism.
slosh
Inferior wine or other drink.
sloshed to the gills
Extremely drunk.
sloshy
Sentimental; soppy.
slot in
To put something into a slot.
slot jockey
A gambler who plays slot machines.
slough
To commit truancy, be absent from school without permission.
slough off
To discard something useless or unwanted.
slough shark
northern pike
slow as a snail
Extremely slow.
slow as molasses in January
Extremely slow.