dipstick

Meanings

Noun

• A stick or rod used to measure the depth of a liquid. Often used to check the level at which a liquid in an opaque or inaccessible tank or reservoir stands; gauge.
• A penis.
• A useless person of inferior intellect; a dipshit.

Verb

• To check (a person) for their understanding of something, as of a lesson, or attitude toward something.
• To measure the level of a fluid using a dipstick.

Origin

• dip + stick