Top definition
When something is of ultimate importance, cannot be replaced, substituted, or compromised. It is something of extreme value and worth. It can be an activity, state of mind, or object.
Bob: We're out of Diet Coke.
Rick: OH CRAP!!! Diet Coke is my lifeship!
by i_skeeted_in_ur_eye September 11, 2011
Get the mug
Get a lifeship mug for your mate Nathalie.
buy the domain for your travel blog