Dictionaries:
doesn't know his ass from a hole in the groud:
Said of a person who can't tell good from bad , an idiot who knows nothing .Link to this page:
The Language of Love, Lust, Sex
and All the Many-Splendored Things in Between in Teenspeak - Jockspeak - Menglish - Slanglish - Spanglish
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Populo-Vulgar Speech - T-Shirt & Net Shorthand
Pompo-Verbosity & other Figurative Lingos