Possible Clues:

• Hybrid lingo succeeded with fresh hip slang
• Bilingual tongue
• The lyrics of 'Livin' la Vida Loca,' e.g
• Bilingual mashup
• Tongues entwined, splashing around
• 2004 Tea Leoni film *
• 2004 Adam Sandler movie, and a hint to the puzzle theme found in 17-, 28-, 38- and 45-Across
• 'Hasta la vista, baby!,' e.g.