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1. To hug someone
2. When your arm rubs up against someone else's arm (on purpose or accidentally, doesn't matter)

Note: May also be called an "arm fuck" or "arm fucking".
Girl: Are they dating?

Boy: Just because they have arm sex on a regular basis doesn't mean they are!

Girl: Oh, just friends then?

Boy: Say... can we have arm sex?

Girl: Ew, no.
Arm Sex by Throwtheflowers May 4, 2014
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This is a sex move where you both link arms and the male inserts the hardened cock into the wet pussy (or the arse if it is another male). If it is 2 girls, one girl licks the other girl's wet pussy and with her arm grabs the receiving girl's tit. If there are more than 2, everyone link arms and just have sex.
John Marston- 'Cowpoke, me and Abigail had arm sex yesterday. It was cool.'
Arthur Morgan-'I wish I could do that with Sadie.'
Arm sex by duhagfowgf8whfWG June 24, 2020

arm pit sex 

when you insert the penis into a persons armpit region.
"the sweat and hair from the arm pit sex was to overwhelming that i cummed in the hair, making it funny and more slippery!"

"hey dad, why not some father-son quality time,lets play baseball,sorry son no baseball today,lets try arm pit sex instead i heard you get the same work out and a LOAD of fun!"
arm pit sex by coon_slayer May 13, 2005

arm pit sex 

when a woman makes love to your arm pit.
young hollywood ho started on my arm pit licking, and kissing in middle on my arm pit. When a girl really loves your arm pit sex kinda turns you on, makes U feel like laying on the beach.

warm sand over your toes nice warm kissy arm pit sex nice safe sex. PS put on mexican shorts
arm pit sex by itichie_nocanpo June 27, 2006

Stinky Bobby

When you find a little guy who is stinky. Usually needs a belly rub.
Hey, that’s Stinky Bobby.
Stinky Bobby by anorlondo June 17, 2026
Word of the Day on July 29, 2026
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.
"Hey bro you tryna go on a chud run with me??"
chud run by chad brandson July 24, 2026
Word of the Day on July 28, 2026

flophouse 

Any house/apartment/frat house/trailer/etc. which is used for individuals to crash (sleep, chill, hang out, lurk, etc.) for a period of time. In order to "crash", one must not actually live there (e.g. have their name on the lease, own said flophouse, etc.). Flophouses are typically used by college students, drug addicts, transients, vagrants, or other unsavory characters.

A flophouse may also be the home owned by the parents of a college student, who after being away at college, wishes to live as if he/she is still at college (e.g. staying out all night, returning just to crash at mom and dad's house, then leaving again), rather than conforming to the pre-college rules.
Example #1
Dude: (Talking to someone passed out face first on the floor of his college apartment) Hey man, who the hell are you? What do you think this is, a flophouse??

Bro: Sorry dude, I must have passed out for a minute.

Example #2
Mom: Where have you BEEN for the last three days? You come home just to sleep?? What do you think this is, a flophouse??!!

Son: What's your problem? I'm an adult now!
flophouse by J3553 November 21, 2007
Word of the Day on July 27, 2026