Iron butt Synonyms

Iron replaced

Definitions for Iron

(adjective) not showing weakness or uncertainty
(noun) a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
(adjective) extremely robust

Synonyms for phrase

IB abbreviation

IB is an abbreviation for Iron Butt

What does IB stand for?

IB stands for "Iron Butt"

Definitions for Butt

(noun) the part of the body upon which someone sits
(noun) a person or thing that is made fun of
(noun) a person or thing that is the object of abuse , criticism , or ridicule