What is Siap?
1.
Sorry If Already Posted: Used to preface a new topic that may have been posted before on an internet forum.
SIAP: Just saw "The Dark Knight"; It was amazing.
See
2.
Acronym: 'Sorry In Advance Partner'.
SIAP, I'm going to crush you.
See
Random Words:
1.
the act of performing anal sex, then inserting your cock into your partners mouth while they preceed to smile like a donut...leaving a c..