notadictionary.com
omg va a decir sus primeras palabras <3
→ “OMG is going to say their first words <3”
omg — an abbreviation for 'Oh my God,' expressing excitement or surprise.
va [wá] — is going to — a future tense construction. Think of it as 'about to'.
a — to — preposition indicating direction or purpose.
decir [déci] — to say/speak — the infinitive form of the verb.
sus [sūs] — their — a possessive pronoun showing ownership.
primeras [přimeíras] — first — the feminine plural form of 'first', agreeing with 'palabras'.
palabras [päloabräs] — words — the plural form of 'word'.
<3 — a heart symbol representing love or affection.
notadictionary.com
y si dejo la carrera?
→ “And what if I quit the race?”
y [yì] — and — connecting the idea to the previous thought.
si [sí] — if — introducing a hypothetical situation.
dejo [déjō] — I quit/am quitting — from the verb 'dejar' (to leave/quit).
la carrera [kärrärä] — race — can mean literal race or metaphorical pursuit (like career).