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1.
(noun) ahn-gel vel-ass-go

Generally an Angel Velasco is a very loose, and often promiscuous gay man, engaging in 20 or more sexual encouters in a day.

Often times the word "Velasco" is tossed around amongst younger, more hip kids, which is essentially is the same noun only involving more facial ejaculations and less dignity.
" Woa, that dudes butt hole was so Angel Velasco!"

or

" I totally gave her a Velasco all over her face"
by Fuser Lvia June 21, 2012