"twirp" in the noun sense
1. twerp, twirp, twit
someone who is regarded as contemptible
"twirp" in the verb sense
1. tweet, twirp
make a weak, chirping sound
"the small bird was tweeting in the tree"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License