2. A term used to express extreme pwnage
3. When shit goes down and you are the victor
Boom-Yup is closely related to fuck-yeah, ace, wicked, and Damn-straight, and in some cases, get owned(see definition 2)
1b. Person A: yo i just got some dank weed, lets go toke. Person B: Boom-yup.
2. Damn I just had a 12 kill streak with 6 headshots. Boom-Yup!
3. Person A: I WILL FUCK YOU UP! Person B (after beating person a): Boom-Yup