JMS is used mainly on the internet, and is simply an abbreviation for 'Just Making Sure'.
Noob1: Hey, make me a sammich.
Noob2: Did you say you wanted me to make you a sammich?
Noob1: Yeah.
Noob2: Alright, JMS.
34๐ 17๐
Stands for Jinger Man Syndrome. When a ginger haired people think that they are special due to the fact that they are ginger. Most people with JMS also are upcoming rappers. It can also more generally be used to describe trash .
Joe: This food is terrible.
John: I know it's just like JMS.
17๐ 9๐
Jack My Swag. Made popular by Jenna Rose in her song "My Jeans".
Hahahaha, JMS.
18๐ 21๐
JUGGALO MOB SQUAD 916 OP
oak park nigga!
you roll wit da JMS?
hell yeah!
down wit da clown 4 life!
23๐ 40๐
JACKING MY STEEZ, and exclamation used when niggaz be on ur threads
that foo be straight JMS, jacking my steez
13๐ 21๐
Yo JMS just rolled up, RUN BITCH RUN
4๐ 10๐