Where you accidentally state a questionable phrase to a friend who continues on with the conversation.
STEVE: Your chiselled abs look so good.
ADAM: YA DUDE. Your meat stack has me hard.
STEVE: That's gay momentum.
ADAM: YA DUDE. Your meat stack has me hard.
STEVE: That's gay momentum.
by DayMoMENtum June 8, 2017
When something "poggers" occurs and that causes another "poggers" thing to happen and so on and so on
Dude that was so poggers momentum!
by RaddaTatTat223 March 27, 2021
The force of physics enacted upon ones arm after fist pumping for an extended period of time that causes one to continue fist pumping for a long period of time after. Can last anywhere from hours to days depending on the severity of the fist pump.
Artur: Why are you still fist pumping, its been days since that party ended.
Joe: Can't bro, I've got fist pump momentum.
Joe: Can't bro, I've got fist pump momentum.
by JoeBroFoSho September 19, 2011
The incantation of a charm that can be used by a witch or wizard to slow the velocity of an object. It is taught in second year Charms class at Hogwarts School of Witchcraft and Wizardry
by SomeoneUnknownByMany October 3, 2017
by Bucefalo Brexanensis October 3, 2018