A "moderator", apparently.
He had too much thyme on his hands.
Hey guys, watch this!"
Because they don't know the words.
Both are a play on words.
The Adhomineminal Snowman
Cuz he always uses a straw, man!
Because the thread has been locked by a moderator
Who gives a cluck (I wonder if the moderators will censor this joke merely on the grounds that it is categorically terrible )