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「ムキムキの鳩いたわ」って送ってきた友達に…
→ “To that friend who sent me a weird pic saying 'There's a muscular pigeon'...”
ムキムキ mukimuki = muscular / ripped (onomatopoeia for muscle definition)
の no = of / possessive particle (linking noun to modifier)
鳩 hato = pigeon (bird)
鴿 ha = pigeon
鳥 tori = bird
いたわ ita wa = there is / there was (exclamatory 'iru' + sentence ending 'wa')
居 i = to exist / to be (animate)
た ta = past tense marker
わ wa = sentence-ending particle (expresses realization, emphasis, or feminine tone)
って tte = that / so-called (quotative particle)
送ってきた okutte kita = sent (lit. 'did send and came back', colloquial perfective aspect)
送 oku = send
て te = conjunction / connecting form of verb
来 ki = come
た ta = past tense marker
友達に tomodachi ni = to the friend (target/direction of action)
友 tomo = friend
達 tachi = plural marker / people
に ni = to / towards / target particle
