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1.
someone who does not have a clue about anything
by Stuart Hunter October 22, 2003
 
2.
1 - waste time/do very little when supposed to be doing something (verb) /to faff about

2 - to overly appreciate something
1 - "we just spent all lunch botting on in the common room"
"what are you doing tonight?" "probably just bott on for a bit/do bott all"

2 - "i bott my new shoes"
by Brioni - Charlotte January 21, 2009