What is Take It To The Bank?
1.
Figurative: "What was said is the absolute truth and can be verified by a third party source." Comes from an obscure reference to cheques (or checks, if you're American), in that such is a guarantee that you can take the document to the bank and redeem it for its face value.
Note the pronoun 'it' can be varied accordingly.
"Mount Everest is the tallest geographical point on this planet, and you can take that to the bank."
Random Words:
1.
Oral sex, almost exclusively fellatio.
How was last night in bed with Suzie?
Even better than the real thing...