Top Definition
(derived from Polish: zaszpinakować).

To develop decent amount of muscle mass.
Example (to spinach self up):
You need to spinach yourself up to look like Schwarzenegger. (=you need to work out more in order to look like Arnold Schwarzenegger).
by SOKÓŁ August 30, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.