high on one's own supply

The phrase "high on one's own supply" originally comes from the 1983 film Scarface and has both literal and figurative meanings.

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Definition

(literal, informal)Using the drugs that one sells, often excessively.

The dealer was warned about getting high on his own supply, but he didn't listen.

(figurative, informal)Having an overly positive and exaggerated view of oneself or one's achievements.

After his third successful startup, he started getting high on his own supply and ignored constructive criticism.

Terms that have similar or relatively close meanings to "high on one's own supply":