One who loves the smell of his or her own farts. See "self-love" or "self-promotion". Perhaps the ickiest type is promotion of self via projected selflessness.
Fart sniffer - Did you see Raakhee's Facebook post about how she gives all her three-year-old's birthday and Christmas gifts away? She might as well have said, "Let's talk about how amazing I am." Ugh, what a fart-sniffer.
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