Flan (en. Custard)
/flan/
Slang Meanings
A person who behaves in an unreliable manner.
That guy is a flan; you can't trust him.
Ese tipo es un flan, no se puede confiar en él.
Someone who is easily manipulated.
Don't be a flan; make your own decisions.
No seas flan, toma tus propias decisiones.