notadictionary.com
con su permiso welita, luego se le sale el gas a la coquita
→ “Excuse me, sweetheart, then she farts in her panties”
con [kòn] — with — introduces the person asking for permission
su [sū] — his/her/your (formal) — polite way to address someone
permiso [permísō] — permission — formal request to be excused
welita — sweetheart — affectionate term, often used humorously or flirtatiously
luego [lúegō] — then — indicates a sequence of events
se — reflexive pronoun — indicates the action reflects back on the subject
le sale [sàile] — comes out — colloquial for 'farting'
el gas — gas/fart — slang term for flatulence
a [a] — to — preposition indicating direction
la coquita — panties — diminutive of 'coqueta' (flirty woman), here used humorously
