To supplement a deal with an "under-the-table" portion that will increase the value of the deal without letting authorities know, or outside the normal confines of the agreed-upon rates in an industry.
"Hey REDACTED. I can't give you all that money (~$220M) because we have a salary cap and restrictions, how's about I give you ~$170M and then aspirate it with $48M from our sponsor company? That'll give you the total amount and no-one will ever know."
To spew, blow chunks, barf, do the technicolor yawn, or simply vomit unexpectedly
"what's that smell?"
"dude, Mikey spontaneously aspirated in my backseat while we were coming home from the party last night. It took me four rolls of paper towel, two bottles of Nil-Odour, and three of those little green tree air freshers to make it even bearable in here"