larguirucho
lanky
largo
long
+
-ucho
pejorative suffix
Larguirucho means lanky and can be thought of as largo0 (long0) with the suffix -ucho1, which adds an exaggerated or slightly negative1 connotation, implying someone who is excessively or awkwardly long/tall.
adjective
- lankyTall and thin, often with a slightly negative connotationEl chico larguirucho se destacaba en el equipo de baloncesto. // The lanky boy stood out on the basketball team.