manually express semen 

To masturbate to completion. Jacking off to orgasm.

I went to donate some sperm and she handed me a cup and said "Please manually express semen into this cup.' I was like, "Speak English lady."
"Go jack your dick and come into this cup," she said.

manually express semen by keifermail July 12, 2009

your breathing manually 

A sentence you say to someone so that they stop breathing automatically, and start breathing manually. This usually infuriates the other person, who now has to focus on breathing on top of whatever shit they wrer up to.

"Your breathing manually."
"Damn you!"

your breathing manually by Cyan_on_the_dictionary February 24, 2022

maccally 

A boy that’s from Armistead Gardens and he is going to make it one day and show all these bitch ass niggas and hatin ass females something!! ~ Anthony Galinus

Wow maccally really nice hope he goes somewhere with his talent of basketball!

maccally by Anthony turner AKA MACCALLY May 1, 2018

manually google

when the internet is down and you actually have to look it up in a book

my computer isn't working so I had to manually google my homework all night, it sucked

manually google by heinygirl February 20, 2011

mancalla effect 

The mancalla effect is when someone has a nonstop streak of beating you in the board game/phone game “mancala”

Friend #1:Wow dean your girlfriend has the mancalla effect
Friend #2:yah Serena is pretty good
Friend #1: she always whoops your ass

mancalla effect by RIP grandmas January 16, 2019

manually operated percussion accelerometer 

a device to apply a measured amount of force in a certain direction at the required time and direction

using a manually operated percussion accelerometer, we need to insert this steel shaft into this solid surface.

or we are going to hammer this nail into the wall!!

manually operated percussion accelerometer by jomac_uk September 28, 2008

manually operated imaginary person 

1. (n.) Hand-held puppet.

Kermit the Frog is a manually operated imaginary person.

manually operated imaginary person by mousegrass April 23, 2014