look up any word, like muddin:
 
1.
get down in a crouch position then put your arms cross ways and just dance with your legs flapping and your tounge hanging out and make stupid noises.
" Eldy did a fucking welcoming on the bathroom stall today man."
by Bah Doiley November 28, 2007
 
2.
To allow, well come in.
welcoming yall niggas' in da house
by Cide3 January 14, 2005