in. to empty one's stomach; to vomit. (Teens and collegiate. See also cry ruth.) : She went home and ralphed for an hour.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Word Origin & History
Rolf
masc. proper name, introduced in England by the Normans, from O.N. Hrolfr, related to O.H.G. Hrodulf, lit. "wolf of fame" (see Rudolph). Rolfing (1972) as a deep massage technique is named for U.S. physiotherapist Ida P. Rolf (1897-1979), and first attested 1958, as Rolf Technique.
Main Entry: rolf Pronunciation: 'rolf also 'rof Function: transitive verb often capitalized: to practice Rolfing on —rolf·er/'rol-f&r also 'ro-/nounoften capitalized Rolf/'rolf,/Ida P.(1896–1979), Americanbiochemist and physiotherapist. Rolf received a doctorate in biochemistry and physiology. After working 12 years as a biochemist, she devoted 40 years to developing a new kind of physical therapyinvolving vigorous manipulation of the body's underlying musculature. The muscular manipulation was held to correct the body's structure so that it would be in alignment with the earth's gravitationalfield. Rolfing became an object of considerable popular interest in the 1970s.
[rolf] 
ər