What is S.i.i.h.b.?
1.
Stick it in Her(or his)Butt. Any number of other slang words for butt can be substituted for Butt, including booty, bottom, bangbox, bobs ur uncle, etc...
"Hey man i met this awesome Chick!" reply..."Oh YEA? did you S.I.I.H.B.?" or My girlfriend wont let me S.I.I.H.B.
See
Random Words:
1.
The fear of veins.
Vene- Variant of veno which means vein.
Phobia- An irrational fear.
One with venephobia usually can't stand..