Recent sex: cold, messy and unnecessary

WordNet Word definitions in WordNet
adj. forming an outgrowth (usually an excessive outgrowth)

Wiktionary Word definitions in Wiktionary
a. Growing out in an abnormal or morbid manner or as a superfluity. n. 1 Something growing, usually abnormally, out of something else. 2 (context phonetics English) A sound in a word without etymological reason.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
mid-15c., from Latin excrescentem (nominative excrescens ), present participle of excrescere "grow out, grow up" (see excrescence ).

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Excrescent \Ex*cres"cent\, a. [L. excresens, -entis, p. pr. of excrescere to grow out; ex out + crescere to grow. See Crescent .] Growing out in an abnormal or morbid manner or as a superfluity. Expunge the whole, or lip the excrescent parts. --Pope. Excrescent ...