Try to make friends with Vegeta.

Try to go SSJ while crapping(he might blow up the bathroom)

Try to do a Kamehameha Wave out of his butt.

Try to F#(K somebody while in SSJ mode.(total death!)

Try to blast a Galic Gun,A KAMEHAMEHA wave,a spirit bomb,and a big bang attack all at the same time.(he would ZAP so much energy he would be skinny to the bone A.K.A extreamely thin)

Goku going SSJ3 in his house (he would blow it over)

Go on a diet.(he would die of hunger after day 1)

 

What Vegeta better not do: 

Go on a diet.(he would also die of hunger after day 1)

Try to F#(K somebody while in SSJ mode.(total death!)

Get high.(lets just say the city would die in less than a day.)

Try to become the most powerful thing in the universe.(he would fart like HELL instead of charge his power He would be screaming like AAAAAAAAAAAAAAAAAAAAAAAAAAAA...and then *FART*)

See a ton of hot girls naked.(HE WOULD GO F#(KIN NUTS!!)

Be flamin pissed(he would blow up everything in sight until all of it was gone then he would say: "Ahhh much better!"

 

What Gotenks better not do:

Brag for half an hour (his fusion would come undone.)

Think of a move to use. (it would take to freakin long.)