Urban Dictionary: aer

1.	AER
	Abbv. for Annual Equivalent Rate. Interest calculated under the assumption that interest is paid and compounded per year. The AER quoted may include or exclude any bonus interest that may be payable. buy aer mugs & shirts by Anthony J Aug 3, 2004 add a video
2.	aer
	Mis-spelling of the word "are" which often occurs online. Music aer great ;) buy aer mugs & shirts by H4Inf Apr 9, 2003 add a video
3.	aer
	Used instead of the word "are", usually to indicate that it is rather lame and sad (in the same context as teh and yuo) Yuo aer teh sux0r. Or, you aer the dumbest person I've talked to in a long time. buy aer mugs & shirts by phatness Mar 27, 2003 add a video

4.	aer
	air; the counterpart to aether Breathe in the aer. Let the aer fill your lungs. buy aer mugs & shirts by Mr. Spock Jul 20, 2004 add a video