Tico adjective 1noun 1forms 1 adjective1 •(slang) Costa RicanOctober 1946, National Geographic The musical intonation and liberal use of diminutives make Tico Spanish particularly effective for expressing sentiment and affection. noun1 •(slang) Costa RicanMost of the people here are from the embassies. The Ticos—that's what the natives call themselves—come in the evening. — 1980 formsTicos
