กู(goo)

I; me (very informal/rude)

first-person singular pronoun “I/me,” very informal and often rude; used among close friends, in anger, to show dominance, or in certain dialects/lyrics

you (insulting; in quarrels, esp. with มึงมึงmeungyou (very informal; rude/impolite))

used as a second-person pronoun in insults or heated quarrels (often paired with มึงมึงmeungyou (very informal; rude/impolite)), nonstandard and aggressive