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U Dum is a game where you, the player, tries to get the attention of another player in a variety of ways. After gaining their attention, you immediately shout "U Dum!" However, the defending player may preemptively shout "U Dum" after you have gotten their attention, nullifying your initial attempt.
Todd: "Hey Blair, I learned something interesting about you this weekend."

Blair: "Really? What's that?"

Todd: "I learned that U Dum!"
U Dum by weenius September 10, 2010
Related Words
Noun: 1. A person who uses UD posts for personal vengence, not realizing it makes them look pitiful. 2. A person who posts their own name on UD, not realizing it makes them look like someone you want to avoid at all costs.
That UDumber put the name of the girl who dumped him on. Has he lost his mind?
UDumber by magill March 22, 2008

boi u dum 

boi u dum is the worst insult ever created so dont use it regularly
eric: DiD u SeE ThE nEw FoRtNite SkIn? me: BOI U DUM
boi u dum by OK KO February 9, 2021
The grindset is a contemporary ideology of self-exploitation disguised as strength, deeply tied to the aesthetics of the “sigma male” and to new digital forms of patriarchy. It promotes the idea that human worth depends on productivity, economic success, absolute emotional control, and the ability to work endlessly, turning vulnerability, rest, community, and tenderness into signs of weakness. Beneath its rhetoric of discipline and power often lies a profound inability to relate healthily to pain, fragility, and human interdependence.
“That’s the grindset, brother. While weak men sleep and complain, sigma males stay disciplined, work in silence, suppress emotions, and build power while everyone else wastes time chasing comfort.”
Grindset by Omega-Male May 22, 2026
Word of the Day on May 23, 2026
well known from south park
rednecks get angrry that future folk took there jobs so they yell
They took ouare jerbs!
Them future folk took ouare jerbs!
jerb by Jimberley Kim April 7, 2005
Word of the Day on May 22, 2026
An Irish phrase meaning shit, derived from ass
(Not to be confused with the literal description of one's buttocks)
"Did you hear the song Aylek$ dropped?"
"Hardly. Her music is absolute cheeks."

"My boyfriend say LaFlame is cheeks."
"Tell your boyfriend I said it's his mixtape that's cheeks."
Cheeks by thecartisan April 26, 2020
Word of the Day on May 21, 2026