(informal, idiomatic) Someone who is easily fooled, victimized, or ridiculed. / (informal, idiomatic) Someone who is eccentric, nonconformist, or otherwise peculiar.

(informal) in one attempt

plural of one-shot

Third-person singular simple present indicative form of one up

Something extremely rare or unlikely.

Composed of a single integral unit or so appearing.

(mathematics, in two dimensions) Describing a simple spiral that starts at a point at the origin and does not divide the plane / (mathematics, in three dimensions) Describing a section of a simple helix

plural of follow on

(idiomatic) The same person or thing. Used to emphasize the identity or equivalence of two things.

destitute; poor.