Someone whose Tweets appear on your Twitter page even though you're not a "follower", or someone who appears on your Twitter "following" list even though you didn't subscribe to him.
I keep getting Twitter Tweets from that pesky twerp Kevin Spacey!
A funnyidiot who you love to bits but they tend to be stupid and mess around with you. Twerps normally come in more than one form so you can take it as a compliment or an insult. This word is mostly misunderstood so it is very sad. ❤ Twerp fam