maggiesensei.com/2009/09/16/%e3%80%8c%e3%80%9c%e3%81%a3%e3%81%bd%e3%81%84%e3%80%8dish-like-video-follow-up/
Detailed grammar lesson on the suffix っぽい (ppoi), which means "ish" or "like", with extensive examples showing how to form and use it with nouns, adjectives, and verbs, plus comparisons with similar patterns like らしい.