Slug

A `catchline` in CS50 that is used to identify Problem Sets

The slugs allow the command(check50/submit50) to know what problem is being checked/submitted.

by CS50 April 15, 2022

Slug

Someone that is lazy, unappreciative and messy.

Look at that slug, they haven't moved all day.

by Freedoreal July 10, 2021

Slug

someone who hates My Little Pony

Jenna is such a slug.

by thenonslugger April 18, 2023

Slug

My mom but not really she's more of a rock. A wet rock.

Slug:
My mom but not really she's more of a rock. A wet rock.

by wet rock November 15, 2021

slug

a bullet usually with a flat tip

some mac 10s and desert eagles have slugs

by m82a1 November 13, 2005

Slug

Someone who creeps around in a group of friends blending in but contributing nothing to the group socially or productively. Most of the time this person is a stand in friend for numbers sake.

"That man has not moved from that seat or said one word all night, what a slug."

by Jnewms November 02, 2015

Slug

A fat long uncut cock typically without no veins

Matt has a giant slug

by Omar1923 February 26, 2025