To use a person by allowing them to think you have a relationship and are in love with them.

Also combined with denying the relationship after the fact.
"Dude, Madi totally blascoed me...."

"I'm gonna blasco this guy."
by WeveBeenBlascoed March 24, 2015
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Swell group of individuals with an unequivocal surname that can be traced back to the assholedome dynasty of the middle ages.
That Blasco, what a nice guy.
by MBD95er November 19, 2018
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