1.Someone who is close enough to pick up your soap when you guys go into jail together.
2.Or just picking up each other's soap.
3.Or your(in the context that you are a guy) male bff .
4.Or gay.
Bromance, yo.
1."Yo man you know the nelly guy? he my soap buddy when we were in jail. "
2."We grew up together he's my soap buddy. "
3."Arrgghh i want him to be my soap buddy so bad "
