A hawaiian slang word for disgusting tinge of color affecting specific skin areas (usually thighs,neck, and butt crack) which appears blackish in color.
Boy #1 "you seen that ghetto iced out lady?"
Boy #2 "yups, she had some critical lafa between those thighs."
Boy #2 "yups, she had some critical lafa between those thighs."
by Hawaiianslang April 14, 2009