991

the bootleg police arrived

person 1) help me I'm getting robbed

person 2) call 991

person 1) it didn't work

person 2) sike thats the wrong number

by ma dude bra June 3, 2019

991

Foot fetish hotline

I like feet

You should call 991

by Morpheous Tacobuster August 17, 2022

991

It's like the special person you want with your soul. In any case it refers to the trend of: 99 reasons to leave, 1 to stay.

So, this can be used as something ironic, example: ''I have an emergency, call my 991.''

by She controls my thoughts November 4, 2022

fx 991 cw

Its just an calculator.... only for nerds.

Guy 1: fx 991 cw
Guy 2: what do you mean?

by iamglaze123 November 29, 2024

fx 991 ES PLUS

its a calculator you probably used in school.

guy: i love fx 991 ES PLUS
guy 2: me too bro

by FlopLikeMonke November 12, 2025

991

the number after 992 and before 990.

the 167th prime number, 167 is also a prime number making 991 a super prime number.

991 is also the second biggest prime number smaller than 1000. (first is 997)

fun fact: 919 is prime, 199 prime and 991 is prime too.

by parenthesesplease January 29, 2026