slow poke/ slowpoke [sloh-pohk]
noun
1. A person who makes slow progress.
SYNONYMS: Laggard, dawdler, dallier, slug, sloth, dilly-dallyer, snail, sluggard, idler, straggler, etc.
EX. No character ever conceived has been a more internet friendly slowpoke than the Pokemon Slowpoke.
SLOOOOOOOOOOOOOOOOetc. Poke!