Magnum dong

When you slap two or three xl magnum condoms on your penis then proceed to have rough sex with another man

My boyfriend magnum donged me last night.

by Plump wang69 January 4, 2020

Magnum Opus

A penis over 8 inches tall

Person 1: I will beat you with my Excalibur!
Person 2: Your penis is no match for my Magnum Opus!

by Soul_kai March 7, 2020

Magnum P.I.

when you fill a magnum condom with urine and slap someone in the face with it.

I gave my girlfriend a Magnum P.I. last night.

by Donald O'Connel October 8, 2009

magnum xtra shlong

1.Larger than mangnum, truly a huge shlong
2. The sizzel of my dizzel

Yo, my fujunga hurts because of Ben's magnum extra shlong

by Ben February 8, 2005

magnum trojan xxl

a large condom size that is used by people like jeff straus,for 12 inchers. it does not fit him though.

i used a magnum trojan xxl yesterday when i was in bed with sophia, said jeff straus

by cool kisses rule January 11, 2008

Magnum Joe

The act of pee inside the vagina during the penetration

Go to the bathroom before you use your magnum joe in your girlfriend!

by Joseoh December 31, 2007

Magnum Opus Moment

An Extremely Good/Grand idea
A Great Magnum Opus

Ex 1: I had a huge magnum opus moment yesterday.
Ex 2: The song it’s raining tacos is a real Magnum opus moment

by Cronchy Craker October 15, 2019