Mark's definitions
by Mark December 1, 2003


by Mark March 8, 2005

1 : the time required for half of something to undergo a process: as a : the time required for half of the atoms of a radioactive substance to become disintegrated b : the time required for half the amount of a substance (as a drug or radioactive tracer) in or introduced into a living system or ecosystem to be eliminated or disintegrated by natural processes
2 : a period of usefulness or popularity preceding decline or obsolescence <slang usually has a short half-life>
2 : a period of usefulness or popularity preceding decline or obsolescence <slang usually has a short half-life>
For americium-241, it is known that half of the atoms decay in 458 years. Therefore, 458 years is the half-life of americium-241. Every radioactive element has a different half-life, ranging from fractions of a second to millions of years, depending on the specific isotope. For example, americium-243 has a half-life of 7,370 years.
by Mark January 6, 2004

verb. To request (more of demand) something of someone in the name of out-ranking them. Originated from a fraternity or sorority's scroll, a list of all members, by rank and number.
by Mark July 24, 2004

Some guy who runs TWL formally known as big whitey plays for US......Claims he is better looking then g money.
by MArk May 28, 2003

caller:How is every one
Dale Dudley:fine sir how can we help you
caller:How come I cant here my self on the the radio
Dale Dudley:Its in delay
caller:How 'bout you delay deez nuts on your chin
Dale Dudley:fine sir how can we help you
caller:How come I cant here my self on the the radio
Dale Dudley:Its in delay
caller:How 'bout you delay deez nuts on your chin
by mark January 24, 2004
