To sell cookies.

It is a reference to Friday Night Cranks, "Girl Scout Cookies Prank Call."
Example 1:

Bob: Hey Jim.
Jim: Hi Bob.
Bob: Do you mind if I spulicitate you really quick?
Jim: Oh, yeah, sure, I'll buy some cookies.

Example 2:

"I just made $10 from spulicitating those people."
by SteveTheCookie May 9, 2010
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