yras

a discreet way of mentioning someone's "donkey" body part.

get off yras and do somethin, ya bizzitch!

by fook yu September 24, 2003

yrast

The dizziest, from the Swedish Yr.

Usually used in Nuclear Physics to describe the least energetic states related to given Nuclear Spins. Common term in Gamma Ray Spectroscopy.

Hulk sleepy. Hulk has yrast.

by yraster November 22, 2010