What is Spunk Brother / Sister?
1.
A half sibling via your father
ie from his 'spunk donation'
usually applying to promiscuous men with more than one family.
I didn't know you had a brother/sister - Oh he's my "Spunk Brother / Sister"
Underlining the fact that the relationship is not a close one.
Random Words:
1.
A condition where you just cannot stop farting.
Oops, there goes my gaseous anus letting out too much bad odours again.
See bum, fart,..
1.
masturbation, wanking, having one off the wrist
Tony was having a tug of war with cyclops.
See Anonymous..